Home / 5,678,512.60-8,517,768.90-1,689,424.60

Finding the Fourth Proportional to 5,678,512.60, 8,517,768.90 and 1,689,424.60

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Solution

The fourth proportional to 5,678,512.60, 8,517,768.90 and 1,689,424.60 is: 2,534,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,512.60 : 8,517,768.90 = 1,689,424.60 : x
  2. Step 2: Convert to fraction form
    5,678,512.60/8,517,768.90 = 1,689,424.60/x
  3. Step 3: Cross multiply
    5,678,512.60x = 8,517,768.90 × 1,689,424.60
  4. Step 4: Simplify right side
    5,678,512.60x = 14,390,128,316,774.94
  5. Step 5: Solve for x
    x = 14,390,128,316,774.94/5,678,512.60
  6. Step 6: Final answer
    x = 2,534,136.90

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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.