Home / 4,272,505.40-6,408,758.10-4,123,206.20

Finding the Fourth Proportional to 4,272,505.40, 6,408,758.10 and 4,123,206.20

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Solution

The fourth proportional to 4,272,505.40, 6,408,758.10 and 4,123,206.20 is: 6,184,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272,505.40 : 6,408,758.10 = 4,123,206.20 : x
  2. Step 2: Convert to fraction form
    4,272,505.40/6,408,758.10 = 4,123,206.20/x
  3. Step 3: Cross multiply
    4,272,505.40x = 6,408,758.10 × 4,123,206.20
  4. Step 4: Simplify right side
    4,272,505.40x = 26,424,631,132,220.22
  5. Step 5: Solve for x
    x = 26,424,631,132,220.22/4,272,505.40
  6. Step 6: Final answer
    x = 6,184,809.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.