Home / 2,186,905.60-3,015,248.52-1,798,363.20

Finding the Fourth Proportional to 2,186,905.60, 3,015,248.52 and 1,798,363.20

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Solution

The fourth proportional to 2,186,905.60, 3,015,248.52 and 1,798,363.20 is: 2,479,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,905.60 : 3,015,248.52 = 1,798,363.20 : x
  2. Step 2: Convert to fraction form
    2,186,905.60/3,015,248.52 = 1,798,363.20/x
  3. Step 3: Cross multiply
    2,186,905.60x = 3,015,248.52 × 1,798,363.20
  4. Step 4: Simplify right side
    2,186,905.60x = 5,422,511,977,222.46
  5. Step 5: Solve for x
    x = 5,422,511,977,222.46/2,186,905.60
  6. Step 6: Final answer
    x = 2,479,536.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.