Home / 3,847,985.60-5,768,171.40-1,822,669.70

Finding the Fourth Proportional to 3,847,985.60, 5,768,171.40 and 1,822,669.70

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Solution

The fourth proportional to 3,847,985.60, 5,768,171.40 and 1,822,669.70 is: 2,732,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,985.60 : 5,768,171.40 = 1,822,669.70 : x
  2. Step 2: Convert to fraction form
    3,847,985.60/5,768,171.40 = 1,822,669.70/x
  3. Step 3: Cross multiply
    3,847,985.60x = 5,768,171.40 × 1,822,669.70
  4. Step 4: Simplify right side
    3,847,985.60x = 10,513,471,235,186.58
  5. Step 5: Solve for x
    x = 10,513,471,235,186.58/3,847,985.60
  6. Step 6: Final answer
    x = 2,732,201.29

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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.