Home / 3,828,485.17-5,283,420.69-2,109,716.56

Finding the Fourth Proportional to 3,828,485.17, 5,283,420.69 and 2,109,716.56

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Solution

The fourth proportional to 3,828,485.17, 5,283,420.69 and 2,109,716.56 is: 2,911,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,485.17 : 5,283,420.69 = 2,109,716.56 : x
  2. Step 2: Convert to fraction form
    3,828,485.17/5,283,420.69 = 2,109,716.56/x
  3. Step 3: Cross multiply
    3,828,485.17x = 5,283,420.69 × 2,109,716.56
  4. Step 4: Simplify right side
    3,828,485.17x = 11,146,520,123,139.63
  5. Step 5: Solve for x
    x = 11,146,520,123,139.63/3,828,485.17
  6. Step 6: Final answer
    x = 2,911,470.11

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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.