Home / 3,638,999.10-5,454,999.45-2,828,934.30

Finding the Fourth Proportional to 3,638,999.10, 5,454,999.45 and 2,828,934.30

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Solution

The fourth proportional to 3,638,999.10, 5,454,999.45 and 2,828,934.30 is: 4,240,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,999.10 : 5,454,999.45 = 2,828,934.30 : x
  2. Step 2: Convert to fraction form
    3,638,999.10/5,454,999.45 = 2,828,934.30/x
  3. Step 3: Cross multiply
    3,638,999.10x = 5,454,999.45 × 2,828,934.30
  4. Step 4: Simplify right side
    3,638,999.10x = 15,431,835,050,586.13
  5. Step 5: Solve for x
    x = 15,431,835,050,586.13/3,638,999.10
  6. Step 6: Final answer
    x = 4,240,681.19

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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.