Home / 4,139,879.60-6,209,819.40-2,864,421.20

Finding the Fourth Proportional to 4,139,879.60, 6,209,819.40 and 2,864,421.20

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Solution

The fourth proportional to 4,139,879.60, 6,209,819.40 and 2,864,421.20 is: 4,296,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139,879.60 : 6,209,819.40 = 2,864,421.20 : x
  2. Step 2: Convert to fraction form
    4,139,879.60/6,209,819.40 = 2,864,421.20/x
  3. Step 3: Cross multiply
    4,139,879.60x = 6,209,819.40 × 2,864,421.20
  4. Step 4: Simplify right side
    4,139,879.60x = 17,787,538,337,531.28
  5. Step 5: Solve for x
    x = 17,787,538,337,531.28/4,139,879.60
  6. Step 6: Final answer
    x = 4,296,631.80

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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.