Home / 1,980,007.20-2,732,412.96-1,074,591.36

Finding the Fourth Proportional to 1,980,007.20, 2,732,412.96 and 1,074,591.36

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Solution

The fourth proportional to 1,980,007.20, 2,732,412.96 and 1,074,591.36 is: 1,482,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,007.20 : 2,732,412.96 = 1,074,591.36 : x
  2. Step 2: Convert to fraction form
    1,980,007.20/2,732,412.96 = 1,074,591.36/x
  3. Step 3: Cross multiply
    1,980,007.20x = 2,732,412.96 × 1,074,591.36
  4. Step 4: Simplify right side
    1,980,007.20x = 2,936,227,358,768.03
  5. Step 5: Solve for x
    x = 2,936,227,358,768.03/1,980,007.20
  6. Step 6: Final answer
    x = 1,482,937.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.