Home / 3,828,565.44-5,742,959.40-1,431,952.56

Finding the Fourth Proportional to 3,828,565.44, 5,742,959.40 and 1,431,952.56

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Solution

The fourth proportional to 3,828,565.44, 5,742,959.40 and 1,431,952.56 is: 2,147,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,565.44 : 5,742,959.40 = 1,431,952.56 : x
  2. Step 2: Convert to fraction form
    3,828,565.44/5,742,959.40 = 1,431,952.56/x
  3. Step 3: Cross multiply
    3,828,565.44x = 5,742,959.40 × 1,431,952.56
  4. Step 4: Simplify right side
    3,828,565.44x = 8,223,645,414,806.07
  5. Step 5: Solve for x
    x = 8,223,645,414,806.07/3,828,565.44
  6. Step 6: Final answer
    x = 2,147,970.45

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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.