Home / 1,643,172.17-2,267,535.82-918,025.33

Finding the Fourth Proportional to 1,643,172.17, 2,267,535.82 and 918,025.33

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Solution

The fourth proportional to 1,643,172.17, 2,267,535.82 and 918,025.33 is: 1,266,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,172.17 : 2,267,535.82 = 918,025.33 : x
  2. Step 2: Convert to fraction form
    1,643,172.17/2,267,535.82 = 918,025.33/x
  3. Step 3: Cross multiply
    1,643,172.17x = 2,267,535.82 × 918,025.33
  4. Step 4: Simplify right side
    1,643,172.17x = 2,081,655,327,017.49
  5. Step 5: Solve for x
    x = 2,081,655,327,017.49/1,643,172.17
  6. Step 6: Final answer
    x = 1,266,851.62

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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.