Home / 2,989,715.40-4,483,260.90-1,192,001.40

Finding the Fourth Proportional to 2,989,715.40, 4,483,260.90 and 1,192,001.40

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Solution

The fourth proportional to 2,989,715.40, 4,483,260.90 and 1,192,001.40 is: 1,787,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,715.40 : 4,483,260.90 = 1,192,001.40 : x
  2. Step 2: Convert to fraction form
    2,989,715.40/4,483,260.90 = 1,192,001.40/x
  3. Step 3: Cross multiply
    2,989,715.40x = 4,483,260.90 × 1,192,001.40
  4. Step 4: Simplify right side
    2,989,715.40x = 5,344,053,269,365.26
  5. Step 5: Solve for x
    x = 5,344,053,269,365.26/2,989,715.40
  6. Step 6: Final answer
    x = 1,787,478.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.