Home / 2,230,447.28-3,078,045.24-1,211,869.04

Finding the Fourth Proportional to 2,230,447.28, 3,078,045.24 and 1,211,869.04

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Solution

The fourth proportional to 2,230,447.28, 3,078,045.24 and 1,211,869.04 is: 1,672,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,447.28 : 3,078,045.24 = 1,211,869.04 : x
  2. Step 2: Convert to fraction form
    2,230,447.28/3,078,045.24 = 1,211,869.04/x
  3. Step 3: Cross multiply
    2,230,447.28x = 3,078,045.24 × 1,211,869.04
  4. Step 4: Simplify right side
    2,230,447.28x = 3,730,187,730,075.37
  5. Step 5: Solve for x
    x = 3,730,187,730,075.37/2,230,447.28
  6. Step 6: Final answer
    x = 1,672,394.48

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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.