Home / 2,799,208.66-4,199,479.31-905,950.10

Finding the Fourth Proportional to 2,799,208.66, 4,199,479.31 and 905,950.10

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Solution

The fourth proportional to 2,799,208.66, 4,199,479.31 and 905,950.10 is: 1,359,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,208.66 : 4,199,479.31 = 905,950.10 : x
  2. Step 2: Convert to fraction form
    2,799,208.66/4,199,479.31 = 905,950.10/x
  3. Step 3: Cross multiply
    2,799,208.66x = 4,199,479.31 × 905,950.10
  4. Step 4: Simplify right side
    2,799,208.66x = 3,804,518,682,109.91
  5. Step 5: Solve for x
    x = 3,804,518,682,109.91/2,799,208.66
  6. Step 6: Final answer
    x = 1,359,140.80

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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.