Home / 3,140,873.68-4,711,335.08-1,720,154.72

Finding the Fourth Proportional to 3,140,873.68, 4,711,335.08 and 1,720,154.72

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Solution

The fourth proportional to 3,140,873.68, 4,711,335.08 and 1,720,154.72 is: 2,580,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,873.68 : 4,711,335.08 = 1,720,154.72 : x
  2. Step 2: Convert to fraction form
    3,140,873.68/4,711,335.08 = 1,720,154.72/x
  3. Step 3: Cross multiply
    3,140,873.68x = 4,711,335.08 × 1,720,154.72
  4. Step 4: Simplify right side
    3,140,873.68x = 8,104,225,275,363.58
  5. Step 5: Solve for x
    x = 8,104,225,275,363.58/3,140,873.68
  6. Step 6: Final answer
    x = 2,580,245.53

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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.