Home / 1,920,600.72-2,650,357.56-1,061,142.48

Finding the Fourth Proportional to 1,920,600.72, 2,650,357.56 and 1,061,142.48

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Solution

The fourth proportional to 1,920,600.72, 2,650,357.56 and 1,061,142.48 is: 1,464,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,600.72 : 2,650,357.56 = 1,061,142.48 : x
  2. Step 2: Convert to fraction form
    1,920,600.72/2,650,357.56 = 1,061,142.48/x
  3. Step 3: Cross multiply
    1,920,600.72x = 2,650,357.56 × 1,061,142.48
  4. Step 4: Simplify right side
    1,920,600.72x = 2,812,406,994,105.15
  5. Step 5: Solve for x
    x = 2,812,406,994,105.15/1,920,600.72
  6. Step 6: Final answer
    x = 1,464,337.15

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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.