Home / 2,153,117.80-3,223,455.90-1,313,309.80

Finding the Fourth Proportional to 2,153,117.80, 3,223,455.90 and 1,313,309.80

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Solution

The fourth proportional to 2,153,117.80, 3,223,455.90 and 1,313,309.80 is: 1,966,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,117.80 : 3,223,455.90 = 1,313,309.80 : x
  2. Step 2: Convert to fraction form
    2,153,117.80/3,223,455.90 = 1,313,309.80/x
  3. Step 3: Cross multiply
    2,153,117.80x = 3,223,455.90 × 1,313,309.80
  4. Step 4: Simplify right side
    2,153,117.80x = 4,233,396,223,337.82
  5. Step 5: Solve for x
    x = 4,233,396,223,337.82/2,153,117.80
  6. Step 6: Final answer
    x = 1,966,170.28

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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.