Home / 1,915,357.77-2,872,411.47-635,621.46

Finding the Fourth Proportional to 1,915,357.77, 2,872,411.47 and 635,621.46

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Solution

The fourth proportional to 1,915,357.77, 2,872,411.47 and 635,621.46 is: 953,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,357.77 : 2,872,411.47 = 635,621.46 : x
  2. Step 2: Convert to fraction form
    1,915,357.77/2,872,411.47 = 635,621.46/x
  3. Step 3: Cross multiply
    1,915,357.77x = 2,872,411.47 × 635,621.46
  4. Step 4: Simplify right side
    1,915,357.77x = 1,825,766,372,282.15
  5. Step 5: Solve for x
    x = 1,825,766,372,282.15/1,915,357.77
  6. Step 6: Final answer
    x = 953,224.72

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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.