Home / 3,811,760.78-5,716,428.69-1,252,385.81

Finding the Fourth Proportional to 3,811,760.78, 5,716,428.69 and 1,252,385.81

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Solution

The fourth proportional to 3,811,760.78, 5,716,428.69 and 1,252,385.81 is: 1,878,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,760.78 : 5,716,428.69 = 1,252,385.81 : x
  2. Step 2: Convert to fraction form
    3,811,760.78/5,716,428.69 = 1,252,385.81/x
  3. Step 3: Cross multiply
    3,811,760.78x = 5,716,428.69 × 1,252,385.81
  4. Step 4: Simplify right side
    3,811,760.78x = 7,159,174,168,970.96
  5. Step 5: Solve for x
    x = 7,159,174,168,970.96/3,811,760.78
  6. Step 6: Final answer
    x = 1,878,180.35

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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.