Home / 5,626,088.79-8,438,149.20-1,581,615.21

Finding the Fourth Proportional to 5,626,088.79, 8,438,149.20 and 1,581,615.21

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Solution

The fourth proportional to 5,626,088.79, 8,438,149.20 and 1,581,615.21 is: 2,372,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626,088.79 : 8,438,149.20 = 1,581,615.21 : x
  2. Step 2: Convert to fraction form
    5,626,088.79/8,438,149.20 = 1,581,615.21/x
  3. Step 3: Cross multiply
    5,626,088.79x = 8,438,149.20 × 1,581,615.21
  4. Step 4: Simplify right side
    5,626,088.79x = 13,345,905,076,778.59
  5. Step 5: Solve for x
    x = 13,345,905,076,778.59/5,626,088.79
  6. Step 6: Final answer
    x = 2,372,146.19

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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.