Home / 6,619,921.40-9,929,882.10-2,576,595.80

Finding the Fourth Proportional to 6,619,921.40, 9,929,882.10 and 2,576,595.80

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Solution

The fourth proportional to 6,619,921.40, 9,929,882.10 and 2,576,595.80 is: 3,864,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,921.40 : 9,929,882.10 = 2,576,595.80 : x
  2. Step 2: Convert to fraction form
    6,619,921.40/9,929,882.10 = 2,576,595.80/x
  3. Step 3: Cross multiply
    6,619,921.40x = 9,929,882.10 × 2,576,595.80
  4. Step 4: Simplify right side
    6,619,921.40x = 25,585,292,513,355.18
  5. Step 5: Solve for x
    x = 25,585,292,513,355.18/6,619,921.40
  6. Step 6: Final answer
    x = 3,864,893.70

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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.