Home / 4,751,996.80-7,127,995.20-1,914,145.60

Finding the Fourth Proportional to 4,751,996.80, 7,127,995.20 and 1,914,145.60

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Solution

The fourth proportional to 4,751,996.80, 7,127,995.20 and 1,914,145.60 is: 2,871,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,996.80 : 7,127,995.20 = 1,914,145.60 : x
  2. Step 2: Convert to fraction form
    4,751,996.80/7,127,995.20 = 1,914,145.60/x
  3. Step 3: Cross multiply
    4,751,996.80x = 7,127,995.20 × 1,914,145.60
  4. Step 4: Simplify right side
    4,751,996.80x = 13,644,020,648,901.12
  5. Step 5: Solve for x
    x = 13,644,020,648,901.12/4,751,996.80
  6. Step 6: Final answer
    x = 2,871,218.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.