Home / 2,119,746.60-3,175,472.70-1,275,791.40

Finding the Fourth Proportional to 2,119,746.60, 3,175,472.70 and 1,275,791.40

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Solution

The fourth proportional to 2,119,746.60, 3,175,472.70 and 1,275,791.40 is: 1,911,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,746.60 : 3,175,472.70 = 1,275,791.40 : x
  2. Step 2: Convert to fraction form
    2,119,746.60/3,175,472.70 = 1,275,791.40/x
  3. Step 3: Cross multiply
    2,119,746.60x = 3,175,472.70 × 1,275,791.40
  4. Step 4: Simplify right side
    2,119,746.60x = 4,051,240,761,594.78
  5. Step 5: Solve for x
    x = 4,051,240,761,594.78/2,119,746.60
  6. Step 6: Final answer
    x = 1,911,191.06

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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.