Home / 3,956,149.30-5,459,489.01-2,145,312.82

Finding the Fourth Proportional to 3,956,149.30, 5,459,489.01 and 2,145,312.82

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Solution

The fourth proportional to 3,956,149.30, 5,459,489.01 and 2,145,312.82 is: 2,960,533.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,149.30 : 5,459,489.01 = 2,145,312.82 : x
  2. Step 2: Convert to fraction form
    3,956,149.30/5,459,489.01 = 2,145,312.82/x
  3. Step 3: Cross multiply
    3,956,149.30x = 5,459,489.01 × 2,145,312.82
  4. Step 4: Simplify right side
    3,956,149.30x = 11,712,311,763,802.11
  5. Step 5: Solve for x
    x = 11,712,311,763,802.11/3,956,149.30
  6. Step 6: Final answer
    x = 2,960,533.31

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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.