Home / 2,126,811.20-3,190,508.40-706,719.20

Finding the Fourth Proportional to 2,126,811.20, 3,190,508.40 and 706,719.20

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Solution

The fourth proportional to 2,126,811.20, 3,190,508.40 and 706,719.20 is: 1,060,175.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,811.20 : 3,190,508.40 = 706,719.20 : x
  2. Step 2: Convert to fraction form
    2,126,811.20/3,190,508.40 = 706,719.20/x
  3. Step 3: Cross multiply
    2,126,811.20x = 3,190,508.40 × 706,719.20
  4. Step 4: Simplify right side
    2,126,811.20x = 2,254,793,544,041.28
  5. Step 5: Solve for x
    x = 2,254,793,544,041.28/2,126,811.20
  6. Step 6: Final answer
    x = 1,060,175.70

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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.