Home / 2,172,765.42-3,259,272.60-575,287.02

Finding the Fourth Proportional to 2,172,765.42, 3,259,272.60 and 575,287.02

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Solution

The fourth proportional to 2,172,765.42, 3,259,272.60 and 575,287.02 is: 862,963.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,765.42 : 3,259,272.60 = 575,287.02 : x
  2. Step 2: Convert to fraction form
    2,172,765.42/3,259,272.60 = 575,287.02/x
  3. Step 3: Cross multiply
    2,172,765.42x = 3,259,272.60 × 575,287.02
  4. Step 4: Simplify right side
    2,172,765.42x = 1,875,017,221,421.65
  5. Step 5: Solve for x
    x = 1,875,017,221,421.65/2,172,765.42
  6. Step 6: Final answer
    x = 862,963.49

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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.