Home / 3,120,207.60-4,680,311.40-1,776,514.80

Finding the Fourth Proportional to 3,120,207.60, 4,680,311.40 and 1,776,514.80

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Solution

The fourth proportional to 3,120,207.60, 4,680,311.40 and 1,776,514.80 is: 2,664,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,207.60 : 4,680,311.40 = 1,776,514.80 : x
  2. Step 2: Convert to fraction form
    3,120,207.60/4,680,311.40 = 1,776,514.80/x
  3. Step 3: Cross multiply
    3,120,207.60x = 4,680,311.40 × 1,776,514.80
  4. Step 4: Simplify right side
    3,120,207.60x = 8,314,642,470,708.72
  5. Step 5: Solve for x
    x = 8,314,642,470,708.72/3,120,207.60
  6. Step 6: Final answer
    x = 2,664,772.20

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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.