Home / 1,547,820.60-2,321,730.90-1,485,819.15

Finding the Fourth Proportional to 1,547,820.60, 2,321,730.90 and 1,485,819.15

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Solution

The fourth proportional to 1,547,820.60, 2,321,730.90 and 1,485,819.15 is: 2,228,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,820.60 : 2,321,730.90 = 1,485,819.15 : x
  2. Step 2: Convert to fraction form
    1,547,820.60/2,321,730.90 = 1,485,819.15/x
  3. Step 3: Cross multiply
    1,547,820.60x = 2,321,730.90 × 1,485,819.15
  4. Step 4: Simplify right side
    1,547,820.60x = 3,449,672,232,366.74
  5. Step 5: Solve for x
    x = 3,449,672,232,366.74/1,547,820.60
  6. Step 6: Final answer
    x = 2,228,728.73

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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.