Home / 3,938,712.40-5,908,068.60-2,238,101.20

Finding the Fourth Proportional to 3,938,712.40, 5,908,068.60 and 2,238,101.20

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Solution

The fourth proportional to 3,938,712.40, 5,908,068.60 and 2,238,101.20 is: 3,357,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,712.40 : 5,908,068.60 = 2,238,101.20 : x
  2. Step 2: Convert to fraction form
    3,938,712.40/5,908,068.60 = 2,238,101.20/x
  3. Step 3: Cross multiply
    3,938,712.40x = 5,908,068.60 × 2,238,101.20
  4. Step 4: Simplify right side
    3,938,712.40x = 13,222,855,423,342.32
  5. Step 5: Solve for x
    x = 13,222,855,423,342.32/3,938,712.40
  6. Step 6: Final answer
    x = 3,357,151.80

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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.