Home / 3,516,945.75-4,853,385.14-1,989,020.07

Finding the Fourth Proportional to 3,516,945.75, 4,853,385.14 and 1,989,020.07

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Solution

The fourth proportional to 3,516,945.75, 4,853,385.14 and 1,989,020.07 is: 2,744,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,945.75 : 4,853,385.14 = 1,989,020.07 : x
  2. Step 2: Convert to fraction form
    3,516,945.75/4,853,385.14 = 1,989,020.07/x
  3. Step 3: Cross multiply
    3,516,945.75x = 4,853,385.14 × 1,989,020.07
  4. Step 4: Simplify right side
    3,516,945.75x = 9,653,480,440,954.66
  5. Step 5: Solve for x
    x = 9,653,480,440,954.66/3,516,945.75
  6. Step 6: Final answer
    x = 2,744,847.70

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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.