Home / 3,087,123.40-4,630,685.10-957,422.80

Finding the Fourth Proportional to 3,087,123.40, 4,630,685.10 and 957,422.80

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Solution

The fourth proportional to 3,087,123.40, 4,630,685.10 and 957,422.80 is: 1,436,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,123.40 : 4,630,685.10 = 957,422.80 : x
  2. Step 2: Convert to fraction form
    3,087,123.40/4,630,685.10 = 957,422.80/x
  3. Step 3: Cross multiply
    3,087,123.40x = 4,630,685.10 × 957,422.80
  4. Step 4: Simplify right side
    3,087,123.40x = 4,433,523,494,360.28
  5. Step 5: Solve for x
    x = 4,433,523,494,360.28/3,087,123.40
  6. Step 6: Final answer
    x = 1,436,134.20

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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.