Home / 3,126,037.66-4,688,400.39-881,650.78

Finding the Fourth Proportional to 3,126,037.66, 4,688,400.39 and 881,650.78

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Solution

The fourth proportional to 3,126,037.66, 4,688,400.39 and 881,650.78 is: 1,322,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,037.66 : 4,688,400.39 = 881,650.78 : x
  2. Step 2: Convert to fraction form
    3,126,037.66/4,688,400.39 = 881,650.78/x
  3. Step 3: Cross multiply
    3,126,037.66x = 4,688,400.39 × 881,650.78
  4. Step 4: Simplify right side
    3,126,037.66x = 4,133,531,860,795.80
  5. Step 5: Solve for x
    x = 4,133,531,860,795.80/3,126,037.66
  6. Step 6: Final answer
    x = 1,322,291.13

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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.