Home / 3,162,820.53-4,744,188.87-766,686.84

Finding the Fourth Proportional to 3,162,820.53, 4,744,188.87 and 766,686.84

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Solution

The fourth proportional to 3,162,820.53, 4,744,188.87 and 766,686.84 is: 1,150,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,820.53 : 4,744,188.87 = 766,686.84 : x
  2. Step 2: Convert to fraction form
    3,162,820.53/4,744,188.87 = 766,686.84/x
  3. Step 3: Cross multiply
    3,162,820.53x = 4,744,188.87 × 766,686.84
  4. Step 4: Simplify right side
    3,162,820.53x = 3,637,307,173,103.47
  5. Step 5: Solve for x
    x = 3,637,307,173,103.47/3,162,820.53
  6. Step 6: Final answer
    x = 1,150,020.10

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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.