Home / 4,981,465.31-6,874,209.72-2,776,210.78

Finding the Fourth Proportional to 4,981,465.31, 6,874,209.72 and 2,776,210.78

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Solution

The fourth proportional to 4,981,465.31, 6,874,209.72 and 2,776,210.78 is: 3,831,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981,465.31 : 6,874,209.72 = 2,776,210.78 : x
  2. Step 2: Convert to fraction form
    4,981,465.31/6,874,209.72 = 2,776,210.78/x
  3. Step 3: Cross multiply
    4,981,465.31x = 6,874,209.72 × 2,776,210.78
  4. Step 4: Simplify right side
    4,981,465.31x = 19,084,255,128,644.78
  5. Step 5: Solve for x
    x = 19,084,255,128,644.78/4,981,465.31
  6. Step 6: Final answer
    x = 3,831,052.50

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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.