Home / 3,144,208.55-4,338,768.78-1,767,333.51

Finding the Fourth Proportional to 3,144,208.55, 4,338,768.78 and 1,767,333.51

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Solution

The fourth proportional to 3,144,208.55, 4,338,768.78 and 1,767,333.51 is: 2,438,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144,208.55 : 4,338,768.78 = 1,767,333.51 : x
  2. Step 2: Convert to fraction form
    3,144,208.55/4,338,768.78 = 1,767,333.51/x
  3. Step 3: Cross multiply
    3,144,208.55x = 4,338,768.78 × 1,767,333.51
  4. Step 4: Simplify right side
    3,144,208.55x = 7,668,051,457,035.82
  5. Step 5: Solve for x
    x = 7,668,051,457,035.82/3,144,208.55
  6. Step 6: Final answer
    x = 2,438,785.90

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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.