Home / 3,956,131-5,459,460.80-2,145,296.44

Finding the Fourth Proportional to 3,956,131, 5,459,460.80 and 2,145,296.44

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Solution

The fourth proportional to 3,956,131, 5,459,460.80 and 2,145,296.44 is: 2,960,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,131 : 5,459,460.80 = 2,145,296.44 : x
  2. Step 2: Convert to fraction form
    3,956,131/5,459,460.80 = 2,145,296.44/x
  3. Step 3: Cross multiply
    3,956,131x = 5,459,460.80 × 2,145,296.44
  4. Step 4: Simplify right side
    3,956,131x = 11,712,161,818,559.55
  5. Step 5: Solve for x
    x = 11,712,161,818,559.55/3,956,131
  6. Step 6: Final answer
    x = 2,960,509.10

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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.