Home / 5,430,666.60-8,145,999.90-1,644,337.80

Finding the Fourth Proportional to 5,430,666.60, 8,145,999.90 and 1,644,337.80

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Solution

The fourth proportional to 5,430,666.60, 8,145,999.90 and 1,644,337.80 is: 2,466,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,666.60 : 8,145,999.90 = 1,644,337.80 : x
  2. Step 2: Convert to fraction form
    5,430,666.60/8,145,999.90 = 1,644,337.80/x
  3. Step 3: Cross multiply
    5,430,666.60x = 8,145,999.90 × 1,644,337.80
  4. Step 4: Simplify right side
    5,430,666.60x = 13,394,775,554,366.22
  5. Step 5: Solve for x
    x = 13,394,775,554,366.22/5,430,666.60
  6. Step 6: Final answer
    x = 2,466,506.70

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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.