Home / 5,168,172.33-7,751,666.97-1,381,950.45

Finding the Fourth Proportional to 5,168,172.33, 7,751,666.97 and 1,381,950.45

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Solution

The fourth proportional to 5,168,172.33, 7,751,666.97 and 1,381,950.45 is: 2,072,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,172.33 : 7,751,666.97 = 1,381,950.45 : x
  2. Step 2: Convert to fraction form
    5,168,172.33/7,751,666.97 = 1,381,950.45/x
  3. Step 3: Cross multiply
    5,168,172.33x = 7,751,666.97 × 1,381,950.45
  4. Step 4: Simplify right side
    5,168,172.33x = 10,712,419,657,441.64
  5. Step 5: Solve for x
    x = 10,712,419,657,441.64/5,168,172.33
  6. Step 6: Final answer
    x = 2,072,767.50

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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.