Home / 1,950,519.24-2,690,539.56-1,288,235.16

Finding the Fourth Proportional to 1,950,519.24, 2,690,539.56 and 1,288,235.16

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Solution

The fourth proportional to 1,950,519.24, 2,690,539.56 and 1,288,235.16 is: 1,776,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,519.24 : 2,690,539.56 = 1,288,235.16 : x
  2. Step 2: Convert to fraction form
    1,950,519.24/2,690,539.56 = 1,288,235.16/x
  3. Step 3: Cross multiply
    1,950,519.24x = 2,690,539.56 × 1,288,235.16
  4. Step 4: Simplify right side
    1,950,519.24x = 3,466,047,660,562.93
  5. Step 5: Solve for x
    x = 3,466,047,660,562.93/1,950,519.24
  6. Step 6: Final answer
    x = 1,776,987.17

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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.