Home / 3,155,637.66-4,355,672.31-1,866,928.38

Finding the Fourth Proportional to 3,155,637.66, 4,355,672.31 and 1,866,928.38

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Solution

The fourth proportional to 3,155,637.66, 4,355,672.31 and 1,866,928.38 is: 2,576,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,637.66 : 4,355,672.31 = 1,866,928.38 : x
  2. Step 2: Convert to fraction form
    3,155,637.66/4,355,672.31 = 1,866,928.38/x
  3. Step 3: Cross multiply
    3,155,637.66x = 4,355,672.31 × 1,866,928.38
  4. Step 4: Simplify right side
    3,155,637.66x = 8,131,728,249,519.16
  5. Step 5: Solve for x
    x = 8,131,728,249,519.16/3,155,637.66
  6. Step 6: Final answer
    x = 2,576,889.09

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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.