Home / 2,921,803.07-4,032,488.77-1,681,387.92

Finding the Fourth Proportional to 2,921,803.07, 4,032,488.77 and 1,681,387.92

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Solution

The fourth proportional to 2,921,803.07, 4,032,488.77 and 1,681,387.92 is: 2,320,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,803.07 : 4,032,488.77 = 1,681,387.92 : x
  2. Step 2: Convert to fraction form
    2,921,803.07/4,032,488.77 = 1,681,387.92/x
  3. Step 3: Cross multiply
    2,921,803.07x = 4,032,488.77 × 1,681,387.92
  4. Step 4: Simplify right side
    2,921,803.07x = 6,780,177,901,210.19
  5. Step 5: Solve for x
    x = 6,780,177,901,210.19/2,921,803.07
  6. Step 6: Final answer
    x = 2,320,545.82

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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.