Home / 1,989,766.44-2,745,098.10-1,224,491.40

Finding the Fourth Proportional to 1,989,766.44, 2,745,098.10 and 1,224,491.40

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Solution

The fourth proportional to 1,989,766.44, 2,745,098.10 and 1,224,491.40 is: 1,689,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,766.44 : 2,745,098.10 = 1,224,491.40 : x
  2. Step 2: Convert to fraction form
    1,989,766.44/2,745,098.10 = 1,224,491.40/x
  3. Step 3: Cross multiply
    1,989,766.44x = 2,745,098.10 × 1,224,491.40
  4. Step 4: Simplify right side
    1,989,766.44x = 3,361,349,015,606.34
  5. Step 5: Solve for x
    x = 3,361,349,015,606.34/1,989,766.44
  6. Step 6: Final answer
    x = 1,689,318.38

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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.