Home / 2,784,842.40-4,177,321.92-891,578.37

Finding the Fourth Proportional to 2,784,842.40, 4,177,321.92 and 891,578.37

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Solution

The fourth proportional to 2,784,842.40, 4,177,321.92 and 891,578.37 is: 1,337,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,842.40 : 4,177,321.92 = 891,578.37 : x
  2. Step 2: Convert to fraction form
    2,784,842.40/4,177,321.92 = 891,578.37/x
  3. Step 3: Cross multiply
    2,784,842.40x = 4,177,321.92 × 891,578.37
  4. Step 4: Simplify right side
    2,784,842.40x = 3,724,409,868,398.87
  5. Step 5: Solve for x
    x = 3,724,409,868,398.87/2,784,842.40
  6. Step 6: Final answer
    x = 1,337,386.23

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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.