Home / 5,445,076.80-8,165,711.20-1,605,880.88

Finding the Fourth Proportional to 5,445,076.80, 8,165,711.20 and 1,605,880.88

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Solution

The fourth proportional to 5,445,076.80, 8,165,711.20 and 1,605,880.88 is: 2,408,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,076.80 : 8,165,711.20 = 1,605,880.88 : x
  2. Step 2: Convert to fraction form
    5,445,076.80/8,165,711.20 = 1,605,880.88/x
  3. Step 3: Cross multiply
    5,445,076.80x = 8,165,711.20 × 1,605,880.88
  4. Step 4: Simplify right side
    5,445,076.80x = 13,113,159,487,681.86
  5. Step 5: Solve for x
    x = 13,113,159,487,681.86/5,445,076.80
  6. Step 6: Final answer
    x = 2,408,259.79

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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.