Home / 3,779,505.32-5,669,278.79-939,617.47

Finding the Fourth Proportional to 3,779,505.32, 5,669,278.79 and 939,617.47

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Solution

The fourth proportional to 3,779,505.32, 5,669,278.79 and 939,617.47 is: 1,409,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,505.32 : 5,669,278.79 = 939,617.47 : x
  2. Step 2: Convert to fraction form
    3,779,505.32/5,669,278.79 = 939,617.47/x
  3. Step 3: Cross multiply
    3,779,505.32x = 5,669,278.79 × 939,617.47
  4. Step 4: Simplify right side
    3,779,505.32x = 5,326,953,395,772.97
  5. Step 5: Solve for x
    x = 5,326,953,395,772.97/3,779,505.32
  6. Step 6: Final answer
    x = 1,409,431.38

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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.