Home / 1,643,641.89-2,465,462.88-445,564.14

Finding the Fourth Proportional to 1,643,641.89, 2,465,462.88 and 445,564.14

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Solution

The fourth proportional to 1,643,641.89, 2,465,462.88 and 445,564.14 is: 668,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,641.89 : 2,465,462.88 = 445,564.14 : x
  2. Step 2: Convert to fraction form
    1,643,641.89/2,465,462.88 = 445,564.14/x
  3. Step 3: Cross multiply
    1,643,641.89x = 2,465,462.88 × 445,564.14
  4. Step 4: Simplify right side
    1,643,641.89x = 1,098,521,847,829.12
  5. Step 5: Solve for x
    x = 1,098,521,847,829.12/1,643,641.89
  6. Step 6: Final answer
    x = 668,346.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.