Home / 5,187,794.08-7,781,397.36-1,400,991.52

Finding the Fourth Proportional to 5,187,794.08, 7,781,397.36 and 1,400,991.52

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Solution

The fourth proportional to 5,187,794.08, 7,781,397.36 and 1,400,991.52 is: 2,101,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,794.08 : 7,781,397.36 = 1,400,991.52 : x
  2. Step 2: Convert to fraction form
    5,187,794.08/7,781,397.36 = 1,400,991.52/x
  3. Step 3: Cross multiply
    5,187,794.08x = 7,781,397.36 × 1,400,991.52
  4. Step 4: Simplify right side
    5,187,794.08x = 10,901,671,715,110.39
  5. Step 5: Solve for x
    x = 10,901,671,715,110.39/5,187,794.08
  6. Step 6: Final answer
    x = 2,101,407.95

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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.