Home / 5,778,181.96-8,665,228.40-1,678,650.12

Finding the Fourth Proportional to 5,778,181.96, 8,665,228.40 and 1,678,650.12

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Solution

The fourth proportional to 5,778,181.96, 8,665,228.40 and 1,678,650.12 is: 2,517,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778,181.96 : 8,665,228.40 = 1,678,650.12 : x
  2. Step 2: Convert to fraction form
    5,778,181.96/8,665,228.40 = 1,678,650.12/x
  3. Step 3: Cross multiply
    5,778,181.96x = 8,665,228.40 × 1,678,650.12
  4. Step 4: Simplify right side
    5,778,181.96x = 14,545,886,693,487.41
  5. Step 5: Solve for x
    x = 14,545,886,693,487.41/5,778,181.96
  6. Step 6: Final answer
    x = 2,517,381.21

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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.