Home / 1,915,154.40-2,872,051.20-848,287.20

Finding the Fourth Proportional to 1,915,154.40, 2,872,051.20 and 848,287.20

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Solution

The fourth proportional to 1,915,154.40, 2,872,051.20 and 848,287.20 is: 1,272,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,154.40 : 2,872,051.20 = 848,287.20 : x
  2. Step 2: Convert to fraction form
    1,915,154.40/2,872,051.20 = 848,287.20/x
  3. Step 3: Cross multiply
    1,915,154.40x = 2,872,051.20 × 848,287.20
  4. Step 4: Simplify right side
    1,915,154.40x = 2,436,324,270,704.64
  5. Step 5: Solve for x
    x = 2,436,324,270,704.64/1,915,154.40
  6. Step 6: Final answer
    x = 1,272,129.43

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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.