Home / 5,391,618.70-8,087,428.05-2,557,266.70

Finding the Fourth Proportional to 5,391,618.70, 8,087,428.05 and 2,557,266.70

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Solution

The fourth proportional to 5,391,618.70, 8,087,428.05 and 2,557,266.70 is: 3,835,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,618.70 : 8,087,428.05 = 2,557,266.70 : x
  2. Step 2: Convert to fraction form
    5,391,618.70/8,087,428.05 = 2,557,266.70/x
  3. Step 3: Cross multiply
    5,391,618.70x = 8,087,428.05 × 2,557,266.70
  4. Step 4: Simplify right side
    5,391,618.70x = 20,681,710,440,910.94
  5. Step 5: Solve for x
    x = 20,681,710,440,910.94/5,391,618.70
  6. Step 6: Final answer
    x = 3,835,900.05

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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.