Home / 2,208,426.75-3,312,640.36-692,109.49

Finding the Fourth Proportional to 2,208,426.75, 3,312,640.36 and 692,109.49

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Solution

The fourth proportional to 2,208,426.75, 3,312,640.36 and 692,109.49 is: 1,038,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,426.75 : 3,312,640.36 = 692,109.49 : x
  2. Step 2: Convert to fraction form
    2,208,426.75/3,312,640.36 = 692,109.49/x
  3. Step 3: Cross multiply
    2,208,426.75x = 3,312,640.36 × 692,109.49
  4. Step 4: Simplify right side
    2,208,426.75x = 2,292,709,820,101.14
  5. Step 5: Solve for x
    x = 2,292,709,820,101.14/2,208,426.75
  6. Step 6: Final answer
    x = 1,038,164.30

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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.