Home / 2,078,532.30-3,117,798.45-1,179,626.70

Finding the Fourth Proportional to 2,078,532.30, 3,117,798.45 and 1,179,626.70

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Solution

The fourth proportional to 2,078,532.30, 3,117,798.45 and 1,179,626.70 is: 1,769,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,532.30 : 3,117,798.45 = 1,179,626.70 : x
  2. Step 2: Convert to fraction form
    2,078,532.30/3,117,798.45 = 1,179,626.70/x
  3. Step 3: Cross multiply
    2,078,532.30x = 3,117,798.45 × 1,179,626.70
  4. Step 4: Simplify right side
    2,078,532.30x = 3,677,838,296,838.62
  5. Step 5: Solve for x
    x = 3,677,838,296,838.62/2,078,532.30
  6. Step 6: Final answer
    x = 1,769,440.05

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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.