Home / 1,818,869.45-2,727,553.51-620,888.36

Finding the Fourth Proportional to 1,818,869.45, 2,727,553.51 and 620,888.36

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Solution

The fourth proportional to 1,818,869.45, 2,727,553.51 and 620,888.36 is: 931,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,869.45 : 2,727,553.51 = 620,888.36 : x
  2. Step 2: Convert to fraction form
    1,818,869.45/2,727,553.51 = 620,888.36/x
  3. Step 3: Cross multiply
    1,818,869.45x = 2,727,553.51 × 620,888.36
  4. Step 4: Simplify right side
    1,818,869.45x = 1,693,506,222,531.70
  5. Step 5: Solve for x
    x = 1,693,506,222,531.70/1,818,869.45
  6. Step 6: Final answer
    x = 931,076.29

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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.