Home / 1,659,399.90-2,486,475.45-1,391,711.10

Finding the Fourth Proportional to 1,659,399.90, 2,486,475.45 and 1,391,711.10

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Solution

The fourth proportional to 1,659,399.90, 2,486,475.45 and 1,391,711.10 is: 2,085,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,399.90 : 2,486,475.45 = 1,391,711.10 : x
  2. Step 2: Convert to fraction form
    1,659,399.90/2,486,475.45 = 1,391,711.10/x
  3. Step 3: Cross multiply
    1,659,399.90x = 2,486,475.45 × 1,391,711.10
  4. Step 4: Simplify right side
    1,659,399.90x = 3,460,455,483,642.50
  5. Step 5: Solve for x
    x = 3,460,455,483,642.50/1,659,399.90
  6. Step 6: Final answer
    x = 2,085,365.61

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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.