Home / 5,432,585.60-8,148,878.40-1,646,256.80

Finding the Fourth Proportional to 5,432,585.60, 8,148,878.40 and 1,646,256.80

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Solution

The fourth proportional to 5,432,585.60, 8,148,878.40 and 1,646,256.80 is: 2,469,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,585.60 : 8,148,878.40 = 1,646,256.80 : x
  2. Step 2: Convert to fraction form
    5,432,585.60/8,148,878.40 = 1,646,256.80/x
  3. Step 3: Cross multiply
    5,432,585.60x = 8,148,878.40 × 1,646,256.80
  4. Step 4: Simplify right side
    5,432,585.60x = 13,415,146,478,373.12
  5. Step 5: Solve for x
    x = 13,415,146,478,373.12/5,432,585.60
  6. Step 6: Final answer
    x = 2,469,385.20

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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.