Home / 1,860,001.60-2,784,472.80-1,229,627.20

Finding the Fourth Proportional to 1,860,001.60, 2,784,472.80 and 1,229,627.20

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Solution

The fourth proportional to 1,860,001.60, 2,784,472.80 and 1,229,627.20 is: 1,840,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,001.60 : 2,784,472.80 = 1,229,627.20 : x
  2. Step 2: Convert to fraction form
    1,860,001.60/2,784,472.80 = 1,229,627.20/x
  3. Step 3: Cross multiply
    1,860,001.60x = 2,784,472.80 × 1,229,627.20
  4. Step 4: Simplify right side
    1,860,001.60x = 3,423,863,492,540.16
  5. Step 5: Solve for x
    x = 3,423,863,492,540.16/1,860,001.60
  6. Step 6: Final answer
    x = 1,840,785.24

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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.