Home / 1,538,892.60-2,308,338.90-1,412,921.40

Finding the Fourth Proportional to 1,538,892.60, 2,308,338.90 and 1,412,921.40

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Solution

The fourth proportional to 1,538,892.60, 2,308,338.90 and 1,412,921.40 is: 2,119,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,892.60 : 2,308,338.90 = 1,412,921.40 : x
  2. Step 2: Convert to fraction form
    1,538,892.60/2,308,338.90 = 1,412,921.40/x
  3. Step 3: Cross multiply
    1,538,892.60x = 2,308,338.90 × 1,412,921.40
  4. Step 4: Simplify right side
    1,538,892.60x = 3,261,501,430,262.46
  5. Step 5: Solve for x
    x = 3,261,501,430,262.46/1,538,892.60
  6. Step 6: Final answer
    x = 2,119,382.10

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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.