Home / 5,164,571.88-7,127,974.08-2,988,740.16

Finding the Fourth Proportional to 5,164,571.88, 7,127,974.08 and 2,988,740.16

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Solution

The fourth proportional to 5,164,571.88, 7,127,974.08 and 2,988,740.16 is: 4,124,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,571.88 : 7,127,974.08 = 2,988,740.16 : x
  2. Step 2: Convert to fraction form
    5,164,571.88/7,127,974.08 = 2,988,740.16/x
  3. Step 3: Cross multiply
    5,164,571.88x = 7,127,974.08 × 2,988,740.16
  4. Step 4: Simplify right side
    5,164,571.88x = 21,303,662,392,335.05
  5. Step 5: Solve for x
    x = 21,303,662,392,335.05/5,164,571.88
  6. Step 6: Final answer
    x = 4,124,961.93

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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.