Home / 1,878,744.88-2,814,490.44-1,121,191.72

Finding the Fourth Proportional to 1,878,744.88, 2,814,490.44 and 1,121,191.72

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Solution

The fourth proportional to 1,878,744.88, 2,814,490.44 and 1,121,191.72 is: 1,679,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,744.88 : 2,814,490.44 = 1,121,191.72 : x
  2. Step 2: Convert to fraction form
    1,878,744.88/2,814,490.44 = 1,121,191.72/x
  3. Step 3: Cross multiply
    1,878,744.88x = 2,814,490.44 × 1,121,191.72
  4. Step 4: Simplify right side
    1,878,744.88x = 3,155,583,377,347.16
  5. Step 5: Solve for x
    x = 3,155,583,377,347.16/1,878,744.88
  6. Step 6: Final answer
    x = 1,679,623.14

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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.