Home / 3,076,408.38-4,245,531.05-1,718,368.86

Finding the Fourth Proportional to 3,076,408.38, 4,245,531.05 and 1,718,368.86

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Solution

The fourth proportional to 3,076,408.38, 4,245,531.05 and 1,718,368.86 is: 2,371,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,408.38 : 4,245,531.05 = 1,718,368.86 : x
  2. Step 2: Convert to fraction form
    3,076,408.38/4,245,531.05 = 1,718,368.86/x
  3. Step 3: Cross multiply
    3,076,408.38x = 4,245,531.05 × 1,718,368.86
  4. Step 4: Simplify right side
    3,076,408.38x = 7,295,388,350,483.10
  5. Step 5: Solve for x
    x = 7,295,388,350,483.10/3,076,408.38
  6. Step 6: Final answer
    x = 2,371,397.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.