Home / 2,287,819.78-3,430,855.65-771,095.20

Finding the Fourth Proportional to 2,287,819.78, 3,430,855.65 and 771,095.20

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Solution

The fourth proportional to 2,287,819.78, 3,430,855.65 and 771,095.20 is: 1,156,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,819.78 : 3,430,855.65 = 771,095.20 : x
  2. Step 2: Convert to fraction form
    2,287,819.78/3,430,855.65 = 771,095.20/x
  3. Step 3: Cross multiply
    2,287,819.78x = 3,430,855.65 × 771,095.20
  4. Step 4: Simplify right side
    2,287,819.78x = 2,645,516,323,607.88
  5. Step 5: Solve for x
    x = 2,645,516,323,607.88/2,287,819.78
  6. Step 6: Final answer
    x = 1,156,348.22

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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.