Home / 3,903,724.01-5,387,307.51-2,161,393.40

Finding the Fourth Proportional to 3,903,724.01, 5,387,307.51 and 2,161,393.40

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Solution

The fourth proportional to 3,903,724.01, 5,387,307.51 and 2,161,393.40 is: 2,982,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,724.01 : 5,387,307.51 = 2,161,393.40 : x
  2. Step 2: Convert to fraction form
    3,903,724.01/5,387,307.51 = 2,161,393.40/x
  3. Step 3: Cross multiply
    3,903,724.01x = 5,387,307.51 × 2,161,393.40
  4. Step 4: Simplify right side
    3,903,724.01x = 11,644,090,868,947.90
  5. Step 5: Solve for x
    x = 11,644,090,868,947.90/3,903,724.01
  6. Step 6: Final answer
    x = 2,982,816.11

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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.