Home / 1,819,689.71-2,511,217.28-1,122,124.19

Finding the Fourth Proportional to 1,819,689.71, 2,511,217.28 and 1,122,124.19

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Solution

The fourth proportional to 1,819,689.71, 2,511,217.28 and 1,122,124.19 is: 1,548,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,689.71 : 2,511,217.28 = 1,122,124.19 : x
  2. Step 2: Convert to fraction form
    1,819,689.71/2,511,217.28 = 1,122,124.19/x
  3. Step 3: Cross multiply
    1,819,689.71x = 2,511,217.28 × 1,122,124.19
  4. Step 4: Simplify right side
    1,819,689.71x = 2,817,897,646,483.23
  5. Step 5: Solve for x
    x = 2,817,897,646,483.23/1,819,689.71
  6. Step 6: Final answer
    x = 1,548,559.43

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