Home / 1,915,209.36-2,872,814.04-495,408.96

Finding the Fourth Proportional to 1,915,209.36, 2,872,814.04 and 495,408.96

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Solution

The fourth proportional to 1,915,209.36, 2,872,814.04 and 495,408.96 is: 743,113.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,209.36 : 2,872,814.04 = 495,408.96 : x
  2. Step 2: Convert to fraction form
    1,915,209.36/2,872,814.04 = 495,408.96/x
  3. Step 3: Cross multiply
    1,915,209.36x = 2,872,814.04 × 495,408.96
  4. Step 4: Simplify right side
    1,915,209.36x = 1,423,217,815,829.80
  5. Step 5: Solve for x
    x = 1,423,217,815,829.80/1,915,209.36
  6. Step 6: Final answer
    x = 743,113.44

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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.