Home / 1,950,494.73-2,690,505.75-1,288,210.65

Finding the Fourth Proportional to 1,950,494.73, 2,690,505.75 and 1,288,210.65

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Solution

The fourth proportional to 1,950,494.73, 2,690,505.75 and 1,288,210.65 is: 1,776,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,494.73 : 2,690,505.75 = 1,288,210.65 : x
  2. Step 2: Convert to fraction form
    1,950,494.73/2,690,505.75 = 1,288,210.65/x
  3. Step 3: Cross multiply
    1,950,494.73x = 2,690,505.75 × 1,288,210.65
  4. Step 4: Simplify right side
    1,950,494.73x = 3,465,938,161,036.24
  5. Step 5: Solve for x
    x = 3,465,938,161,036.24/1,950,494.73
  6. Step 6: Final answer
    x = 1,776,953.36

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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.