Home / 1,976,368.80-2,726,387.24-1,249,993.20

Finding the Fourth Proportional to 1,976,368.80, 2,726,387.24 and 1,249,993.20

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Solution

The fourth proportional to 1,976,368.80, 2,726,387.24 and 1,249,993.20 is: 1,724,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,368.80 : 2,726,387.24 = 1,249,993.20 : x
  2. Step 2: Convert to fraction form
    1,976,368.80/2,726,387.24 = 1,249,993.20/x
  3. Step 3: Cross multiply
    1,976,368.80x = 2,726,387.24 × 1,249,993.20
  4. Step 4: Simplify right side
    1,976,368.80x = 3,407,965,510,566.77
  5. Step 5: Solve for x
    x = 3,407,965,510,566.77/1,976,368.80
  6. Step 6: Final answer
    x = 1,724,357.07

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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.