Home / 2,187,646.33-3,018,952.52-1,207,585.94

Finding the Fourth Proportional to 2,187,646.33, 3,018,952.52 and 1,207,585.94

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Solution

The fourth proportional to 2,187,646.33, 3,018,952.52 and 1,207,585.94 is: 1,666,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,646.33 : 3,018,952.52 = 1,207,585.94 : x
  2. Step 2: Convert to fraction form
    2,187,646.33/3,018,952.52 = 1,207,585.94/x
  3. Step 3: Cross multiply
    2,187,646.33x = 3,018,952.52 × 1,207,585.94
  4. Step 4: Simplify right side
    2,187,646.33x = 3,645,644,625,547.74
  5. Step 5: Solve for x
    x = 3,645,644,625,547.74/2,187,646.33
  6. Step 6: Final answer
    x = 1,666,468.92

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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.