Home / 5,178,255.89-7,761,994.70-2,900,440.71

Finding the Fourth Proportional to 5,178,255.89, 7,761,994.70 and 2,900,440.71

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Solution

The fourth proportional to 5,178,255.89, 7,761,994.70 and 2,900,440.71 is: 4,347,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,255.89 : 7,761,994.70 = 2,900,440.71 : x
  2. Step 2: Convert to fraction form
    5,178,255.89/7,761,994.70 = 2,900,440.71/x
  3. Step 3: Cross multiply
    5,178,255.89x = 7,761,994.70 × 2,900,440.71
  4. Step 4: Simplify right side
    5,178,255.89x = 22,513,205,404,182.04
  5. Step 5: Solve for x
    x = 22,513,205,404,182.04/5,178,255.89
  6. Step 6: Final answer
    x = 4,347,642.51

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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.