Home / 1,931,755.92-2,896,452.80-921,186.96

Finding the Fourth Proportional to 1,931,755.92, 2,896,452.80 and 921,186.96

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Solution

The fourth proportional to 1,931,755.92, 2,896,452.80 and 921,186.96 is: 1,381,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,755.92 : 2,896,452.80 = 921,186.96 : x
  2. Step 2: Convert to fraction form
    1,931,755.92/2,896,452.80 = 921,186.96/x
  3. Step 3: Cross multiply
    1,931,755.92x = 2,896,452.80 × 921,186.96
  4. Step 4: Simplify right side
    1,931,755.92x = 2,668,174,549,615.49
  5. Step 5: Solve for x
    x = 2,668,174,549,615.49/1,931,755.92
  6. Step 6: Final answer
    x = 1,381,217.22

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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.