Home / 4,580,458.20-6,870,687.30-1,215,005.40

Finding the Fourth Proportional to 4,580,458.20, 6,870,687.30 and 1,215,005.40

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Solution

The fourth proportional to 4,580,458.20, 6,870,687.30 and 1,215,005.40 is: 1,822,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580,458.20 : 6,870,687.30 = 1,215,005.40 : x
  2. Step 2: Convert to fraction form
    4,580,458.20/6,870,687.30 = 1,215,005.40/x
  3. Step 3: Cross multiply
    4,580,458.20x = 6,870,687.30 × 1,215,005.40
  4. Step 4: Simplify right side
    4,580,458.20x = 8,347,922,171,211.42
  5. Step 5: Solve for x
    x = 8,347,922,171,211.42/4,580,458.20
  6. Step 6: Final answer
    x = 1,822,508.10

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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.