Home / 2,819,381.76-3,890,750.76-1,530,222.12

Finding the Fourth Proportional to 2,819,381.76, 3,890,750.76 and 1,530,222.12

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Solution

The fourth proportional to 2,819,381.76, 3,890,750.76 and 1,530,222.12 is: 2,111,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,381.76 : 3,890,750.76 = 1,530,222.12 : x
  2. Step 2: Convert to fraction form
    2,819,381.76/3,890,750.76 = 1,530,222.12/x
  3. Step 3: Cross multiply
    2,819,381.76x = 3,890,750.76 × 1,530,222.12
  4. Step 4: Simplify right side
    2,819,381.76x = 5,953,712,876,358.81
  5. Step 5: Solve for x
    x = 5,953,712,876,358.81/2,819,381.76
  6. Step 6: Final answer
    x = 2,111,708.66

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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.