Home / 3,418,646.09-5,126,076.02-1,398,308.70

Finding the Fourth Proportional to 3,418,646.09, 5,126,076.02 and 1,398,308.70

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Solution

The fourth proportional to 3,418,646.09, 5,126,076.02 and 1,398,308.70 is: 2,096,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,646.09 : 5,126,076.02 = 1,398,308.70 : x
  2. Step 2: Convert to fraction form
    3,418,646.09/5,126,076.02 = 1,398,308.70/x
  3. Step 3: Cross multiply
    3,418,646.09x = 5,126,076.02 × 1,398,308.70
  4. Step 4: Simplify right side
    3,418,646.09x = 7,167,836,688,635.83
  5. Step 5: Solve for x
    x = 7,167,836,688,635.83/3,418,646.09
  6. Step 6: Final answer
    x = 2,096,688.72

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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.