Home / 1,915,143.90-2,872,035.45-848,276.70

Finding the Fourth Proportional to 1,915,143.90, 2,872,035.45 and 848,276.70

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Solution

The fourth proportional to 1,915,143.90, 2,872,035.45 and 848,276.70 is: 1,272,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,143.90 : 2,872,035.45 = 848,276.70 : x
  2. Step 2: Convert to fraction form
    1,915,143.90/2,872,035.45 = 848,276.70/x
  3. Step 3: Cross multiply
    1,915,143.90x = 2,872,035.45 × 848,276.70
  4. Step 4: Simplify right side
    1,915,143.90x = 2,436,280,753,809.02
  5. Step 5: Solve for x
    x = 2,436,280,753,809.02/1,915,143.90
  6. Step 6: Final answer
    x = 1,272,113.68

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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.