Home / 2,825,111.80-4,237,926.90-931,857.40

Finding the Fourth Proportional to 2,825,111.80, 4,237,926.90 and 931,857.40

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Solution

The fourth proportional to 2,825,111.80, 4,237,926.90 and 931,857.40 is: 1,397,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,111.80 : 4,237,926.90 = 931,857.40 : x
  2. Step 2: Convert to fraction form
    2,825,111.80/4,237,926.90 = 931,857.40/x
  3. Step 3: Cross multiply
    2,825,111.80x = 4,237,926.90 × 931,857.40
  4. Step 4: Simplify right side
    2,825,111.80x = 3,949,143,542,424.06
  5. Step 5: Solve for x
    x = 3,949,143,542,424.06/2,825,111.80
  6. Step 6: Final answer
    x = 1,397,871.60

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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.