Home / 2,986,295.72-4,120,969.41-1,762,995.31

Finding the Fourth Proportional to 2,986,295.72, 4,120,969.41 and 1,762,995.31

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Solution

The fourth proportional to 2,986,295.72, 4,120,969.41 and 1,762,995.31 is: 2,432,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,295.72 : 4,120,969.41 = 1,762,995.31 : x
  2. Step 2: Convert to fraction form
    2,986,295.72/4,120,969.41 = 1,762,995.31/x
  3. Step 3: Cross multiply
    2,986,295.72x = 4,120,969.41 × 1,762,995.31
  4. Step 4: Simplify right side
    2,986,295.72x = 7,265,249,713,063.64
  5. Step 5: Solve for x
    x = 7,265,249,713,063.64/2,986,295.72
  6. Step 6: Final answer
    x = 2,432,863.45

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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.