Home / 2,618,336.42-3,927,465.12-1,178,002.70

Finding the Fourth Proportional to 2,618,336.42, 3,927,465.12 and 1,178,002.70

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Solution

The fourth proportional to 2,618,336.42, 3,927,465.12 and 1,178,002.70 is: 1,766,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,336.42 : 3,927,465.12 = 1,178,002.70 : x
  2. Step 2: Convert to fraction form
    2,618,336.42/3,927,465.12 = 1,178,002.70/x
  3. Step 3: Cross multiply
    2,618,336.42x = 3,927,465.12 × 1,178,002.70
  4. Step 4: Simplify right side
    2,618,336.42x = 4,626,564,515,515.82
  5. Step 5: Solve for x
    x = 4,626,564,515,515.82/2,618,336.42
  6. Step 6: Final answer
    x = 1,766,986.27

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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.