Home / 2,778,701.42-4,167,468.93-783,690.86

Finding the Fourth Proportional to 2,778,701.42, 4,167,468.93 and 783,690.86

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Solution

The fourth proportional to 2,778,701.42, 4,167,468.93 and 783,690.86 is: 1,175,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,701.42 : 4,167,468.93 = 783,690.86 : x
  2. Step 2: Convert to fraction form
    2,778,701.42/4,167,468.93 = 783,690.86/x
  3. Step 3: Cross multiply
    2,778,701.42x = 4,167,468.93 × 783,690.86
  4. Step 4: Simplify right side
    2,778,701.42x = 3,266,007,309,774.98
  5. Step 5: Solve for x
    x = 3,266,007,309,774.98/2,778,701.42
  6. Step 6: Final answer
    x = 1,175,371.81

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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.