Home / 2,901,300.80-4,002,127.54-1,811,680.88

Finding the Fourth Proportional to 2,901,300.80, 4,002,127.54 and 1,811,680.88

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Solution

The fourth proportional to 2,901,300.80, 4,002,127.54 and 1,811,680.88 is: 2,499,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901,300.80 : 4,002,127.54 = 1,811,680.88 : x
  2. Step 2: Convert to fraction form
    2,901,300.80/4,002,127.54 = 1,811,680.88/x
  3. Step 3: Cross multiply
    2,901,300.80x = 4,002,127.54 × 1,811,680.88
  4. Step 4: Simplify right side
    2,901,300.80x = 7,250,577,918,999.60
  5. Step 5: Solve for x
    x = 7,250,577,918,999.60/2,901,300.80
  6. Step 6: Final answer
    x = 2,499,078.32

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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.