Home / 1,811,355.52-2,716,866.68-613,140.88

Finding the Fourth Proportional to 1,811,355.52, 2,716,866.68 and 613,140.88

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Solution

The fourth proportional to 1,811,355.52, 2,716,866.68 and 613,140.88 is: 919,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,355.52 : 2,716,866.68 = 613,140.88 : x
  2. Step 2: Convert to fraction form
    1,811,355.52/2,716,866.68 = 613,140.88/x
  3. Step 3: Cross multiply
    1,811,355.52x = 2,716,866.68 × 613,140.88
  4. Step 4: Simplify right side
    1,811,355.52x = 1,665,822,027,017.88
  5. Step 5: Solve for x
    x = 1,665,822,027,017.88/1,811,355.52
  6. Step 6: Final answer
    x = 919,654.93

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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.