Home / 2,666,066.40-3,999,731.40-868,959.90

Finding the Fourth Proportional to 2,666,066.40, 3,999,731.40 and 868,959.90

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Solution

The fourth proportional to 2,666,066.40, 3,999,731.40 and 868,959.90 is: 1,303,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,066.40 : 3,999,731.40 = 868,959.90 : x
  2. Step 2: Convert to fraction form
    2,666,066.40/3,999,731.40 = 868,959.90/x
  3. Step 3: Cross multiply
    2,666,066.40x = 3,999,731.40 × 868,959.90
  4. Step 4: Simplify right side
    2,666,066.40x = 3,475,606,197,370.86
  5. Step 5: Solve for x
    x = 3,475,606,197,370.86/2,666,066.40
  6. Step 6: Final answer
    x = 1,303,645.77

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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.