Home / 1,451,666.21-2,171,132.71-1,292,862.47

Finding the Fourth Proportional to 1,451,666.21, 2,171,132.71 and 1,292,862.47

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Solution

The fourth proportional to 1,451,666.21, 2,171,132.71 and 1,292,862.47 is: 1,933,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,666.21 : 2,171,132.71 = 1,292,862.47 : x
  2. Step 2: Convert to fraction form
    1,451,666.21/2,171,132.71 = 1,292,862.47/x
  3. Step 3: Cross multiply
    1,451,666.21x = 2,171,132.71 × 1,292,862.47
  4. Step 4: Simplify right side
    1,451,666.21x = 2,806,975,984,060.57
  5. Step 5: Solve for x
    x = 2,806,975,984,060.57/1,451,666.21
  6. Step 6: Final answer
    x = 1,933,623.57

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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.