Home / 3,120,708.70-4,681,959.72-1,298,719

Finding the Fourth Proportional to 3,120,708.70, 4,681,959.72 and 1,298,719

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Solution

The fourth proportional to 3,120,708.70, 4,681,959.72 and 1,298,719 is: 1,948,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,708.70 : 4,681,959.72 = 1,298,719 : x
  2. Step 2: Convert to fraction form
    3,120,708.70/4,681,959.72 = 1,298,719/x
  3. Step 3: Cross multiply
    3,120,708.70x = 4,681,959.72 × 1,298,719
  4. Step 4: Simplify right side
    3,120,708.70x = 6,080,550,045,598.68
  5. Step 5: Solve for x
    x = 6,080,550,045,598.68/3,120,708.70
  6. Step 6: Final answer
    x = 1,948,451.66

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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.