Home / 2,589,663.87-3,573,657.92-1,428,109.53

Finding the Fourth Proportional to 2,589,663.87, 3,573,657.92 and 1,428,109.53

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Solution

The fourth proportional to 2,589,663.87, 3,573,657.92 and 1,428,109.53 is: 1,970,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,663.87 : 3,573,657.92 = 1,428,109.53 : x
  2. Step 2: Convert to fraction form
    2,589,663.87/3,573,657.92 = 1,428,109.53/x
  3. Step 3: Cross multiply
    2,589,663.87x = 3,573,657.92 × 1,428,109.53
  4. Step 4: Simplify right side
    2,589,663.87x = 5,103,574,925,371.43
  5. Step 5: Solve for x
    x = 5,103,574,925,371.43/2,589,663.87
  6. Step 6: Final answer
    x = 1,970,748.01

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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.