Home / 1,915,148.40-2,872,042.20-848,281.20

Finding the Fourth Proportional to 1,915,148.40, 2,872,042.20 and 848,281.20

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Solution

The fourth proportional to 1,915,148.40, 2,872,042.20 and 848,281.20 is: 1,272,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,148.40 : 2,872,042.20 = 848,281.20 : x
  2. Step 2: Convert to fraction form
    1,915,148.40/2,872,042.20 = 848,281.20/x
  3. Step 3: Cross multiply
    1,915,148.40x = 2,872,042.20 × 848,281.20
  4. Step 4: Simplify right side
    1,915,148.40x = 2,436,299,403,866.64
  5. Step 5: Solve for x
    x = 2,436,299,403,866.64/1,915,148.40
  6. Step 6: Final answer
    x = 1,272,120.43

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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.