Home / 1,681,992.20-2,520,404.86-1,141,546.16

Finding the Fourth Proportional to 1,681,992.20, 2,520,404.86 and 1,141,546.16

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Solution

The fourth proportional to 1,681,992.20, 2,520,404.86 and 1,141,546.16 is: 1,710,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,992.20 : 2,520,404.86 = 1,141,546.16 : x
  2. Step 2: Convert to fraction form
    1,681,992.20/2,520,404.86 = 1,141,546.16/x
  3. Step 3: Cross multiply
    1,681,992.20x = 2,520,404.86 × 1,141,546.16
  4. Step 4: Simplify right side
    1,681,992.20x = 2,877,158,489,578.34
  5. Step 5: Solve for x
    x = 2,877,158,489,578.34/1,681,992.20
  6. Step 6: Final answer
    x = 1,710,565.89

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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.