Home / 3,144,666.93-4,717,105.19-870,000.74

Finding the Fourth Proportional to 3,144,666.93, 4,717,105.19 and 870,000.74

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Solution

The fourth proportional to 3,144,666.93, 4,717,105.19 and 870,000.74 is: 1,305,030.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144,666.93 : 4,717,105.19 = 870,000.74 : x
  2. Step 2: Convert to fraction form
    3,144,666.93/4,717,105.19 = 870,000.74/x
  3. Step 3: Cross multiply
    3,144,666.93x = 4,717,105.19 × 870,000.74
  4. Step 4: Simplify right side
    3,144,666.93x = 4,103,884,978,022.31
  5. Step 5: Solve for x
    x = 4,103,884,978,022.31/3,144,666.93
  6. Step 6: Final answer
    x = 1,305,030.09

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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.