Home / 2,379,271.38-3,283,398.66-1,291,543.69

Finding the Fourth Proportional to 2,379,271.38, 3,283,398.66 and 1,291,543.69

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Solution

The fourth proportional to 2,379,271.38, 3,283,398.66 and 1,291,543.69 is: 1,782,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,271.38 : 3,283,398.66 = 1,291,543.69 : x
  2. Step 2: Convert to fraction form
    2,379,271.38/3,283,398.66 = 1,291,543.69/x
  3. Step 3: Cross multiply
    2,379,271.38x = 3,283,398.66 × 1,291,543.69
  4. Step 4: Simplify right side
    2,379,271.38x = 4,240,652,821,077.46
  5. Step 5: Solve for x
    x = 4,240,652,821,077.46/2,379,271.38
  6. Step 6: Final answer
    x = 1,782,332.55

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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.