Home / 1,925,172.86-2,656,886.11-1,098,264.62

Finding the Fourth Proportional to 1,925,172.86, 2,656,886.11 and 1,098,264.62

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Solution

The fourth proportional to 1,925,172.86, 2,656,886.11 and 1,098,264.62 is: 1,515,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,172.86 : 2,656,886.11 = 1,098,264.62 : x
  2. Step 2: Convert to fraction form
    1,925,172.86/2,656,886.11 = 1,098,264.62/x
  3. Step 3: Cross multiply
    1,925,172.86x = 2,656,886.11 × 1,098,264.62
  4. Step 4: Simplify right side
    1,925,172.86x = 2,917,963,997,952.34
  5. Step 5: Solve for x
    x = 2,917,963,997,952.34/1,925,172.86
  6. Step 6: Final answer
    x = 1,515,689.35

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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.