Home / 1,818,868.20-2,727,551.63-620,887.11

Finding the Fourth Proportional to 1,818,868.20, 2,727,551.63 and 620,887.11

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Solution

The fourth proportional to 1,818,868.20, 2,727,551.63 and 620,887.11 is: 931,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,868.20 : 2,727,551.63 = 620,887.11 : x
  2. Step 2: Convert to fraction form
    1,818,868.20/2,727,551.63 = 620,887.11/x
  3. Step 3: Cross multiply
    1,818,868.20x = 2,727,551.63 × 620,887.11
  4. Step 4: Simplify right side
    1,818,868.20x = 1,693,501,645,822.05
  5. Step 5: Solve for x
    x = 1,693,501,645,822.05/1,818,868.20
  6. Step 6: Final answer
    x = 931,074.42

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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.