Home / 3,115,417.20-4,673,125.80-1,317,703.20

Finding the Fourth Proportional to 3,115,417.20, 4,673,125.80 and 1,317,703.20

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Solution

The fourth proportional to 3,115,417.20, 4,673,125.80 and 1,317,703.20 is: 1,976,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,417.20 : 4,673,125.80 = 1,317,703.20 : x
  2. Step 2: Convert to fraction form
    3,115,417.20/4,673,125.80 = 1,317,703.20/x
  3. Step 3: Cross multiply
    3,115,417.20x = 4,673,125.80 × 1,317,703.20
  4. Step 4: Simplify right side
    3,115,417.20x = 6,157,792,820,662.56
  5. Step 5: Solve for x
    x = 6,157,792,820,662.56/3,115,417.20
  6. Step 6: Final answer
    x = 1,976,554.80

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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.