Home / 6,459,890.40-9,671,173.20-3,940,466.40

Finding the Fourth Proportional to 6,459,890.40, 9,671,173.20 and 3,940,466.40

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Solution

The fourth proportional to 6,459,890.40, 9,671,173.20 and 3,940,466.40 is: 5,899,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,890.40 : 9,671,173.20 = 3,940,466.40 : x
  2. Step 2: Convert to fraction form
    6,459,890.40/9,671,173.20 = 3,940,466.40/x
  3. Step 3: Cross multiply
    6,459,890.40x = 9,671,173.20 × 3,940,466.40
  4. Step 4: Simplify right side
    6,459,890.40x = 38,108,933,043,180.48
  5. Step 5: Solve for x
    x = 38,108,933,043,180.48/6,459,890.40
  6. Step 6: Final answer
    x = 5,899,315.73

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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.