Home / 2,778,747.81-4,167,538.52-783,737.25

Finding the Fourth Proportional to 2,778,747.81, 4,167,538.52 and 783,737.25

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Solution

The fourth proportional to 2,778,747.81, 4,167,538.52 and 783,737.25 is: 1,175,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,747.81 : 4,167,538.52 = 783,737.25 : x
  2. Step 2: Convert to fraction form
    2,778,747.81/4,167,538.52 = 783,737.25/x
  3. Step 3: Cross multiply
    2,778,747.81x = 4,167,538.52 × 783,737.25
  4. Step 4: Simplify right side
    2,778,747.81x = 3,266,255,175,015.18
  5. Step 5: Solve for x
    x = 3,266,255,175,015.18/2,778,747.81
  6. Step 6: Final answer
    x = 1,175,441.39

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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.