Home / 2,172,706.60-3,259,043.70-656,386.60

Finding the Fourth Proportional to 2,172,706.60, 3,259,043.70 and 656,386.60

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Solution

The fourth proportional to 2,172,706.60, 3,259,043.70 and 656,386.60 is: 984,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,706.60 : 3,259,043.70 = 656,386.60 : x
  2. Step 2: Convert to fraction form
    2,172,706.60/3,259,043.70 = 656,386.60/x
  3. Step 3: Cross multiply
    2,172,706.60x = 3,259,043.70 × 656,386.60
  4. Step 4: Simplify right side
    2,172,706.60x = 2,139,192,613,494.42
  5. Step 5: Solve for x
    x = 2,139,192,613,494.42/2,172,706.60
  6. Step 6: Final answer
    x = 984,575.01

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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.