Home / 3,147,855.40-4,721,783.10-2,517,999.40

Finding the Fourth Proportional to 3,147,855.40, 4,721,783.10 and 2,517,999.40

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Solution

The fourth proportional to 3,147,855.40, 4,721,783.10 and 2,517,999.40 is: 3,776,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,855.40 : 4,721,783.10 = 2,517,999.40 : x
  2. Step 2: Convert to fraction form
    3,147,855.40/4,721,783.10 = 2,517,999.40/x
  3. Step 3: Cross multiply
    3,147,855.40x = 4,721,783.10 × 2,517,999.40
  4. Step 4: Simplify right side
    3,147,855.40x = 11,889,447,012,730.14
  5. Step 5: Solve for x
    x = 11,889,447,012,730.14/3,147,855.40
  6. Step 6: Final answer
    x = 3,776,999.10

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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.