Home / 2,378,651.77-3,282,541.05-1,290,923.02

Finding the Fourth Proportional to 2,378,651.77, 3,282,541.05 and 1,290,923.02

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Solution

The fourth proportional to 2,378,651.77, 3,282,541.05 and 1,290,923.02 is: 1,781,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,651.77 : 3,282,541.05 = 1,290,923.02 : x
  2. Step 2: Convert to fraction form
    2,378,651.77/3,282,541.05 = 1,290,923.02/x
  3. Step 3: Cross multiply
    2,378,651.77x = 3,282,541.05 × 1,290,923.02
  4. Step 4: Simplify right side
    2,378,651.77x = 4,237,507,805,539.97
  5. Step 5: Solve for x
    x = 4,237,507,805,539.97/2,378,651.77
  6. Step 6: Final answer
    x = 1,781,474.64

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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.