Home / 2,847,879.65-4,272,079.04-928,298.15

Finding the Fourth Proportional to 2,847,879.65, 4,272,079.04 and 928,298.15

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Solution

The fourth proportional to 2,847,879.65, 4,272,079.04 and 928,298.15 is: 1,392,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,879.65 : 4,272,079.04 = 928,298.15 : x
  2. Step 2: Convert to fraction form
    2,847,879.65/4,272,079.04 = 928,298.15/x
  3. Step 3: Cross multiply
    2,847,879.65x = 4,272,079.04 × 928,298.15
  4. Step 4: Simplify right side
    2,847,879.65x = 3,965,763,075,406.06
  5. Step 5: Solve for x
    x = 3,965,763,075,406.06/2,847,879.65
  6. Step 6: Final answer
    x = 1,392,531.83

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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.