Home / 1,927,617.17-2,660,127.42-1,068,191.78

Finding the Fourth Proportional to 1,927,617.17, 2,660,127.42 and 1,068,191.78

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Solution

The fourth proportional to 1,927,617.17, 2,660,127.42 and 1,068,191.78 is: 1,474,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,617.17 : 2,660,127.42 = 1,068,191.78 : x
  2. Step 2: Convert to fraction form
    1,927,617.17/2,660,127.42 = 1,068,191.78/x
  3. Step 3: Cross multiply
    1,927,617.17x = 2,660,127.42 × 1,068,191.78
  4. Step 4: Simplify right side
    1,927,617.17x = 2,841,526,230,495.97
  5. Step 5: Solve for x
    x = 2,841,526,230,495.97/1,927,617.17
  6. Step 6: Final answer
    x = 1,474,113.37

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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.