Home / 1,416,909.40-1,987,872.20-1,416,909.40

Finding the Fourth Proportional to 1,416,909.40, 1,987,872.20 and 1,416,909.40

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Solution

The fourth proportional to 1,416,909.40, 1,987,872.20 and 1,416,909.40 is: 1,987,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,909.40 : 1,987,872.20 = 1,416,909.40 : x
  2. Step 2: Convert to fraction form
    1,416,909.40/1,987,872.20 = 1,416,909.40/x
  3. Step 3: Cross multiply
    1,416,909.40x = 1,987,872.20 × 1,416,909.40
  4. Step 4: Simplify right side
    1,416,909.40x = 2,816,634,806,178.68
  5. Step 5: Solve for x
    x = 2,816,634,806,178.68/1,416,909.40
  6. Step 6: Final answer
    x = 1,987,872.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.