Home / 3,118,012.65-4,271,605.92-3,001,439.88

Finding the Fourth Proportional to 3,118,012.65, 4,271,605.92 and 3,001,439.88

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Solution

The fourth proportional to 3,118,012.65, 4,271,605.92 and 3,001,439.88 is: 4,111,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,012.65 : 4,271,605.92 = 3,001,439.88 : x
  2. Step 2: Convert to fraction form
    3,118,012.65/4,271,605.92 = 3,001,439.88/x
  3. Step 3: Cross multiply
    3,118,012.65x = 4,271,605.92 × 3,001,439.88
  4. Step 4: Simplify right side
    3,118,012.65x = 12,820,968,359,932.09
  5. Step 5: Solve for x
    x = 12,820,968,359,932.09/3,118,012.65
  6. Step 6: Final answer
    x = 4,111,903.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.