Home / 1,925,167.45-2,656,878.62-1,098,259.21

Finding the Fourth Proportional to 1,925,167.45, 2,656,878.62 and 1,098,259.21

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Solution

The fourth proportional to 1,925,167.45, 2,656,878.62 and 1,098,259.21 is: 1,515,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,167.45 : 2,656,878.62 = 1,098,259.21 : x
  2. Step 2: Convert to fraction form
    1,925,167.45/2,656,878.62 = 1,098,259.21/x
  3. Step 3: Cross multiply
    1,925,167.45x = 2,656,878.62 × 1,098,259.21
  4. Step 4: Simplify right side
    1,925,167.45x = 2,917,941,403,329.66
  5. Step 5: Solve for x
    x = 2,917,941,403,329.66/1,925,167.45
  6. Step 6: Final answer
    x = 1,515,681.87

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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.