Home / 3,078,391.80-4,617,587.70-834,529.80

Finding the Fourth Proportional to 3,078,391.80, 4,617,587.70 and 834,529.80

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Solution

The fourth proportional to 3,078,391.80, 4,617,587.70 and 834,529.80 is: 1,251,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,391.80 : 4,617,587.70 = 834,529.80 : x
  2. Step 2: Convert to fraction form
    3,078,391.80/4,617,587.70 = 834,529.80/x
  3. Step 3: Cross multiply
    3,078,391.80x = 4,617,587.70 × 834,529.80
  4. Step 4: Simplify right side
    3,078,391.80x = 3,853,514,539,763.46
  5. Step 5: Solve for x
    x = 3,853,514,539,763.46/3,078,391.80
  6. Step 6: Final answer
    x = 1,251,794.70

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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.