Home / 2,919,213.30-4,378,819.95-2,116,730.10

Finding the Fourth Proportional to 2,919,213.30, 4,378,819.95 and 2,116,730.10

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Solution

The fourth proportional to 2,919,213.30, 4,378,819.95 and 2,116,730.10 is: 3,175,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,213.30 : 4,378,819.95 = 2,116,730.10 : x
  2. Step 2: Convert to fraction form
    2,919,213.30/4,378,819.95 = 2,116,730.10/x
  3. Step 3: Cross multiply
    2,919,213.30x = 4,378,819.95 × 2,116,730.10
  4. Step 4: Simplify right side
    2,919,213.30x = 9,268,779,990,645.50
  5. Step 5: Solve for x
    x = 9,268,779,990,645.50/2,919,213.30
  6. Step 6: Final answer
    x = 3,175,095.15

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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.