Home / 3,046,818.20-4,204,609.10-1,688,691.20

Finding the Fourth Proportional to 3,046,818.20, 4,204,609.10 and 1,688,691.20

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Solution

The fourth proportional to 3,046,818.20, 4,204,609.10 and 1,688,691.20 is: 2,330,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046,818.20 : 4,204,609.10 = 1,688,691.20 : x
  2. Step 2: Convert to fraction form
    3,046,818.20/4,204,609.10 = 1,688,691.20/x
  3. Step 3: Cross multiply
    3,046,818.20x = 4,204,609.10 × 1,688,691.20
  4. Step 4: Simplify right side
    3,046,818.20x = 7,100,286,357,143.42
  5. Step 5: Solve for x
    x = 7,100,286,357,143.42/3,046,818.20
  6. Step 6: Final answer
    x = 2,330,393.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.