Home / 2,181,707.28-3,010,844.88-1,214,776.32

Finding the Fourth Proportional to 2,181,707.28, 3,010,844.88 and 1,214,776.32

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Solution

The fourth proportional to 2,181,707.28, 3,010,844.88 and 1,214,776.32 is: 1,676,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,707.28 : 3,010,844.88 = 1,214,776.32 : x
  2. Step 2: Convert to fraction form
    2,181,707.28/3,010,844.88 = 1,214,776.32/x
  3. Step 3: Cross multiply
    2,181,707.28x = 3,010,844.88 × 1,214,776.32
  4. Step 4: Simplify right side
    2,181,707.28x = 3,657,503,063,417.24
  5. Step 5: Solve for x
    x = 3,657,503,063,417.24/2,181,707.28
  6. Step 6: Final answer
    x = 1,676,440.78

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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.