Home / 1,922,864.32-2,653,907.74-1,235,395.56

Finding the Fourth Proportional to 1,922,864.32, 2,653,907.74 and 1,235,395.56

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Solution

The fourth proportional to 1,922,864.32, 2,653,907.74 and 1,235,395.56 is: 1,705,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,864.32 : 2,653,907.74 = 1,235,395.56 : x
  2. Step 2: Convert to fraction form
    1,922,864.32/2,653,907.74 = 1,235,395.56/x
  3. Step 3: Cross multiply
    1,922,864.32x = 2,653,907.74 × 1,235,395.56
  4. Step 4: Simplify right side
    1,922,864.32x = 3,278,625,845,280.40
  5. Step 5: Solve for x
    x = 3,278,625,845,280.40/1,922,864.32
  6. Step 6: Final answer
    x = 1,705,073.94

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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.