Home / 2,648,290.40-3,973,657.31-1,209,414.91

Finding the Fourth Proportional to 2,648,290.40, 3,973,657.31 and 1,209,414.91

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Solution

The fourth proportional to 2,648,290.40, 3,973,657.31 and 1,209,414.91 is: 1,814,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,290.40 : 3,973,657.31 = 1,209,414.91 : x
  2. Step 2: Convert to fraction form
    2,648,290.40/3,973,657.31 = 1,209,414.91/x
  3. Step 3: Cross multiply
    2,648,290.40x = 3,973,657.31 × 1,209,414.91
  4. Step 4: Simplify right side
    2,648,290.40x = 4,805,800,372,029.13
  5. Step 5: Solve for x
    x = 4,805,800,372,029.13/2,648,290.40
  6. Step 6: Final answer
    x = 1,814,680.28

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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.