Home / 2,788,400.90-4,182,601.35-1,665,892.10

Finding the Fourth Proportional to 2,788,400.90, 4,182,601.35 and 1,665,892.10

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Solution

The fourth proportional to 2,788,400.90, 4,182,601.35 and 1,665,892.10 is: 2,498,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,400.90 : 4,182,601.35 = 1,665,892.10 : x
  2. Step 2: Convert to fraction form
    2,788,400.90/4,182,601.35 = 1,665,892.10/x
  3. Step 3: Cross multiply
    2,788,400.90x = 4,182,601.35 × 1,665,892.10
  4. Step 4: Simplify right side
    2,788,400.90x = 6,967,762,546,414.34
  5. Step 5: Solve for x
    x = 6,967,762,546,414.34/2,788,400.90
  6. Step 6: Final answer
    x = 2,498,838.15

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Double scale
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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.