Home / 2,928,485.64-4,041,394.54-1,639,318.36

Finding the Fourth Proportional to 2,928,485.64, 4,041,394.54 and 1,639,318.36

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Solution

The fourth proportional to 2,928,485.64, 4,041,394.54 and 1,639,318.36 is: 2,262,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,485.64 : 4,041,394.54 = 1,639,318.36 : x
  2. Step 2: Convert to fraction form
    2,928,485.64/4,041,394.54 = 1,639,318.36/x
  3. Step 3: Cross multiply
    2,928,485.64x = 4,041,394.54 × 1,639,318.36
  4. Step 4: Simplify right side
    2,928,485.64x = 6,625,132,269,425.76
  5. Step 5: Solve for x
    x = 6,625,132,269,425.76/2,928,485.64
  6. Step 6: Final answer
    x = 2,262,306.56

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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.