Home / 2,127,268.80-3,186,602.40-1,326,091.20

Finding the Fourth Proportional to 2,127,268.80, 3,186,602.40 and 1,326,091.20

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Solution

The fourth proportional to 2,127,268.80, 3,186,602.40 and 1,326,091.20 is: 1,986,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,268.80 : 3,186,602.40 = 1,326,091.20 : x
  2. Step 2: Convert to fraction form
    2,127,268.80/3,186,602.40 = 1,326,091.20/x
  3. Step 3: Cross multiply
    2,127,268.80x = 3,186,602.40 × 1,326,091.20
  4. Step 4: Simplify right side
    2,127,268.80x = 4,225,725,400,538.88
  5. Step 5: Solve for x
    x = 4,225,725,400,538.88/2,127,268.80
  6. Step 6: Final answer
    x = 1,986,455.78

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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.