Home / 3,963,789-5,470,034.29-2,152,953

Finding the Fourth Proportional to 3,963,789, 5,470,034.29 and 2,152,953

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Solution

The fourth proportional to 3,963,789, 5,470,034.29 and 2,152,953 is: 2,971,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,789 : 5,470,034.29 = 2,152,953 : x
  2. Step 2: Convert to fraction form
    3,963,789/5,470,034.29 = 2,152,953/x
  3. Step 3: Cross multiply
    3,963,789x = 5,470,034.29 × 2,152,953
  4. Step 4: Simplify right side
    3,963,789x = 11,776,726,729,375.99
  5. Step 5: Solve for x
    x = 11,776,726,729,375.99/3,963,789
  6. Step 6: Final answer
    x = 2,971,078.11

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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.