Home / 1,981,545.39-2,734,546.64-1,076,127.39

Finding the Fourth Proportional to 1,981,545.39, 2,734,546.64 and 1,076,127.39

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Solution

The fourth proportional to 1,981,545.39, 2,734,546.64 and 1,076,127.39 is: 1,485,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,545.39 : 2,734,546.64 = 1,076,127.39 : x
  2. Step 2: Convert to fraction form
    1,981,545.39/2,734,546.64 = 1,076,127.39/x
  3. Step 3: Cross multiply
    1,981,545.39x = 2,734,546.64 × 1,076,127.39
  4. Step 4: Simplify right side
    1,981,545.39x = 2,942,720,533,155.83
  5. Step 5: Solve for x
    x = 2,942,720,533,155.83/1,981,545.39
  6. Step 6: Final answer
    x = 1,485,063.40

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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.