Home / 2,490,916.74-3,437,449.89-1,403,538.53

Finding the Fourth Proportional to 2,490,916.74, 3,437,449.89 and 1,403,538.53

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Solution

The fourth proportional to 2,490,916.74, 3,437,449.89 and 1,403,538.53 is: 1,936,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,916.74 : 3,437,449.89 = 1,403,538.53 : x
  2. Step 2: Convert to fraction form
    2,490,916.74/3,437,449.89 = 1,403,538.53/x
  3. Step 3: Cross multiply
    2,490,916.74x = 3,437,449.89 × 1,403,538.53
  4. Step 4: Simplify right side
    2,490,916.74x = 4,824,593,348,372.01
  5. Step 5: Solve for x
    x = 4,824,593,348,372.01/2,490,916.74
  6. Step 6: Final answer
    x = 1,936,874.59

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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.