Home / 1,938,877.32-2,904,379.38-978,740.58

Finding the Fourth Proportional to 1,938,877.32, 2,904,379.38 and 978,740.58

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Solution

The fourth proportional to 1,938,877.32, 2,904,379.38 and 978,740.58 is: 1,466,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,877.32 : 2,904,379.38 = 978,740.58 : x
  2. Step 2: Convert to fraction form
    1,938,877.32/2,904,379.38 = 978,740.58/x
  3. Step 3: Cross multiply
    1,938,877.32x = 2,904,379.38 × 978,740.58
  4. Step 4: Simplify right side
    1,938,877.32x = 2,842,633,958,921.24
  5. Step 5: Solve for x
    x = 2,842,633,958,921.24/1,938,877.32
  6. Step 6: Final answer
    x = 1,466,123.68

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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.