Home / 2,987,810.50-4,123,178.50-1,629,683.50

Finding the Fourth Proportional to 2,987,810.50, 4,123,178.50 and 1,629,683.50

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Solution

The fourth proportional to 2,987,810.50, 4,123,178.50 and 1,629,683.50 is: 2,248,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,810.50 : 4,123,178.50 = 1,629,683.50 : x
  2. Step 2: Convert to fraction form
    2,987,810.50/4,123,178.50 = 1,629,683.50/x
  3. Step 3: Cross multiply
    2,987,810.50x = 4,123,178.50 × 1,629,683.50
  4. Step 4: Simplify right side
    2,987,810.50x = 6,719,475,969,004.75
  5. Step 5: Solve for x
    x = 6,719,475,969,004.75/2,987,810.50
  6. Step 6: Final answer
    x = 2,248,963.24

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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.