Home / 3,119,851.89-4,305,424.10-1,830,713.76

Finding the Fourth Proportional to 3,119,851.89, 4,305,424.10 and 1,830,713.76

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Solution

The fourth proportional to 3,119,851.89, 4,305,424.10 and 1,830,713.76 is: 2,526,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,851.89 : 4,305,424.10 = 1,830,713.76 : x
  2. Step 2: Convert to fraction form
    3,119,851.89/4,305,424.10 = 1,830,713.76/x
  3. Step 3: Cross multiply
    3,119,851.89x = 4,305,424.10 × 1,830,713.76
  4. Step 4: Simplify right side
    3,119,851.89x = 7,881,999,142,505.62
  5. Step 5: Solve for x
    x = 7,881,999,142,505.62/3,119,851.89
  6. Step 6: Final answer
    x = 2,526,401.71

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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.