Home / 3,078,801.40-4,611,203.70-1,581,143.80

Finding the Fourth Proportional to 3,078,801.40, 4,611,203.70 and 1,581,143.80

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Solution

The fourth proportional to 3,078,801.40, 4,611,203.70 and 1,581,143.80 is: 2,368,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,801.40 : 4,611,203.70 = 1,581,143.80 : x
  2. Step 2: Convert to fraction form
    3,078,801.40/4,611,203.70 = 1,581,143.80/x
  3. Step 3: Cross multiply
    3,078,801.40x = 4,611,203.70 × 1,581,143.80
  4. Step 4: Simplify right side
    3,078,801.40x = 7,290,976,140,792.06
  5. Step 5: Solve for x
    x = 7,290,976,140,792.06/3,078,801.40
  6. Step 6: Final answer
    x = 2,368,121.61

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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.