Home / 2,819,557-3,890,992.56-1,530,397.66

Finding the Fourth Proportional to 2,819,557, 3,890,992.56 and 1,530,397.66

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Solution

The fourth proportional to 2,819,557, 3,890,992.56 and 1,530,397.66 is: 2,111,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,557 : 3,890,992.56 = 1,530,397.66 : x
  2. Step 2: Convert to fraction form
    2,819,557/3,890,992.56 = 1,530,397.66/x
  3. Step 3: Cross multiply
    2,819,557x = 3,890,992.56 × 1,530,397.66
  4. Step 4: Simplify right side
    2,819,557x = 5,954,765,908,901.41
  5. Step 5: Solve for x
    x = 5,954,765,908,901.41/2,819,557
  6. Step 6: Final answer
    x = 2,111,950.89

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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.