Home / 3,115,575.87-4,299,500.64-1,720,140.18

Finding the Fourth Proportional to 3,115,575.87, 4,299,500.64 and 1,720,140.18

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Solution

The fourth proportional to 3,115,575.87, 4,299,500.64 and 1,720,140.18 is: 2,373,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,575.87 : 4,299,500.64 = 1,720,140.18 : x
  2. Step 2: Convert to fraction form
    3,115,575.87/4,299,500.64 = 1,720,140.18/x
  3. Step 3: Cross multiply
    3,115,575.87x = 4,299,500.64 × 1,720,140.18
  4. Step 4: Simplify right side
    3,115,575.87x = 7,395,743,804,799.71
  5. Step 5: Solve for x
    x = 7,395,743,804,799.71/3,115,575.87
  6. Step 6: Final answer
    x = 2,373,796.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.