Home / 3,488,015.40-5,232,023.10-1,787,404.20

Finding the Fourth Proportional to 3,488,015.40, 5,232,023.10 and 1,787,404.20

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Solution

The fourth proportional to 3,488,015.40, 5,232,023.10 and 1,787,404.20 is: 2,681,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,015.40 : 5,232,023.10 = 1,787,404.20 : x
  2. Step 2: Convert to fraction form
    3,488,015.40/5,232,023.10 = 1,787,404.20/x
  3. Step 3: Cross multiply
    3,488,015.40x = 5,232,023.10 × 1,787,404.20
  4. Step 4: Simplify right side
    3,488,015.40x = 9,351,740,063,437.02
  5. Step 5: Solve for x
    x = 9,351,740,063,437.02/3,488,015.40
  6. Step 6: Final answer
    x = 2,681,106.30

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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.