Home / 2,718,368.60-4,078,136.10-825,301.40

Finding the Fourth Proportional to 2,718,368.60, 4,078,136.10 and 825,301.40

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Solution

The fourth proportional to 2,718,368.60, 4,078,136.10 and 825,301.40 is: 1,238,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,368.60 : 4,078,136.10 = 825,301.40 : x
  2. Step 2: Convert to fraction form
    2,718,368.60/4,078,136.10 = 825,301.40/x
  3. Step 3: Cross multiply
    2,718,368.60x = 4,078,136.10 × 825,301.40
  4. Step 4: Simplify right side
    2,718,368.60x = 3,365,691,432,720.54
  5. Step 5: Solve for x
    x = 3,365,691,432,720.54/2,718,368.60
  6. Step 6: Final answer
    x = 1,238,129.16

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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.