Home / 3,819,946.45-5,272,275.05-2,189,446.71

Finding the Fourth Proportional to 3,819,946.45, 5,272,275.05 and 2,189,446.71

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Solution

The fourth proportional to 3,819,946.45, 5,272,275.05 and 2,189,446.71 is: 3,021,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,946.45 : 5,272,275.05 = 2,189,446.71 : x
  2. Step 2: Convert to fraction form
    3,819,946.45/5,272,275.05 = 2,189,446.71/x
  3. Step 3: Cross multiply
    3,819,946.45x = 5,272,275.05 × 2,189,446.71
  4. Step 4: Simplify right side
    3,819,946.45x = 11,543,365,249,166.37
  5. Step 5: Solve for x
    x = 11,543,365,249,166.37/3,819,946.45
  6. Step 6: Final answer
    x = 3,021,865.73

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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.