Home / 3,956,120-5,459,445.60-2,145,285.44

Finding the Fourth Proportional to 3,956,120, 5,459,445.60 and 2,145,285.44

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Solution

The fourth proportional to 3,956,120, 5,459,445.60 and 2,145,285.44 is: 2,960,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,120 : 5,459,445.60 = 2,145,285.44 : x
  2. Step 2: Convert to fraction form
    3,956,120/5,459,445.60 = 2,145,285.44/x
  3. Step 3: Cross multiply
    3,956,120x = 5,459,445.60 × 2,145,285.44
  4. Step 4: Simplify right side
    3,956,120x = 11,712,069,156,152.06
  5. Step 5: Solve for x
    x = 11,712,069,156,152.06/3,956,120
  6. Step 6: Final answer
    x = 2,960,493.91

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1.5x scale

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.