Home / 3,919,510.40-5,873,751.88-3,117,231.32

Finding the Fourth Proportional to 3,919,510.40, 5,873,751.88 and 3,117,231.32

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Solution

The fourth proportional to 3,919,510.40, 5,873,751.88 and 3,117,231.32 is: 4,671,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,510.40 : 5,873,751.88 = 3,117,231.32 : x
  2. Step 2: Convert to fraction form
    3,919,510.40/5,873,751.88 = 3,117,231.32/x
  3. Step 3: Cross multiply
    3,919,510.40x = 5,873,751.88 × 3,117,231.32
  4. Step 4: Simplify right side
    3,919,510.40x = 18,309,843,326,244.88
  5. Step 5: Solve for x
    x = 18,309,843,326,244.88/3,919,510.40
  6. Step 6: Final answer
    x = 4,671,461.86

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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.