Home / 1,989,073.18-2,744,921.28-1,083,655.18

Finding the Fourth Proportional to 1,989,073.18, 2,744,921.28 and 1,083,655.18

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Solution

The fourth proportional to 1,989,073.18, 2,744,921.28 and 1,083,655.18 is: 1,495,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,073.18 : 2,744,921.28 = 1,083,655.18 : x
  2. Step 2: Convert to fraction form
    1,989,073.18/2,744,921.28 = 1,083,655.18/x
  3. Step 3: Cross multiply
    1,989,073.18x = 2,744,921.28 × 1,083,655.18
  4. Step 4: Simplify right side
    1,989,073.18x = 2,974,548,163,764.23
  5. Step 5: Solve for x
    x = 2,974,548,163,764.23/1,989,073.18
  6. Step 6: Final answer
    x = 1,495,444.31

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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.