Home / 1,943,809.34-2,682,990.36-1,128,275.78

Finding the Fourth Proportional to 1,943,809.34, 2,682,990.36 and 1,128,275.78

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Solution

The fourth proportional to 1,943,809.34, 2,682,990.36 and 1,128,275.78 is: 1,557,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,809.34 : 2,682,990.36 = 1,128,275.78 : x
  2. Step 2: Convert to fraction form
    1,943,809.34/2,682,990.36 = 1,128,275.78/x
  3. Step 3: Cross multiply
    1,943,809.34x = 2,682,990.36 × 1,128,275.78
  4. Step 4: Simplify right side
    1,943,809.34x = 3,027,153,041,161.48
  5. Step 5: Solve for x
    x = 3,027,153,041,161.48/1,943,809.34
  6. Step 6: Final answer
    x = 1,557,330.23

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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.