Home / 1,684,591.89-2,324,077.56-1,038,891.21

Finding the Fourth Proportional to 1,684,591.89, 2,324,077.56 and 1,038,891.21

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Solution

The fourth proportional to 1,684,591.89, 2,324,077.56 and 1,038,891.21 is: 1,433,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,591.89 : 2,324,077.56 = 1,038,891.21 : x
  2. Step 2: Convert to fraction form
    1,684,591.89/2,324,077.56 = 1,038,891.21/x
  3. Step 3: Cross multiply
    1,684,591.89x = 2,324,077.56 × 1,038,891.21
  4. Step 4: Simplify right side
    1,684,591.89x = 2,414,463,748,442.25
  5. Step 5: Solve for x
    x = 2,414,463,748,442.25/1,684,591.89
  6. Step 6: Final answer
    x = 1,433,263.31

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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.