Home / 1,618,869-2,231,962.38-1,327,406.70

Finding the Fourth Proportional to 1,618,869, 2,231,962.38 and 1,327,406.70

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Solution

The fourth proportional to 1,618,869, 2,231,962.38 and 1,327,406.70 is: 1,830,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,869 : 2,231,962.38 = 1,327,406.70 : x
  2. Step 2: Convert to fraction form
    1,618,869/2,231,962.38 = 1,327,406.70/x
  3. Step 3: Cross multiply
    1,618,869x = 2,231,962.38 × 1,327,406.70
  4. Step 4: Simplify right side
    1,618,869x = 2,962,721,817,359.95
  5. Step 5: Solve for x
    x = 2,962,721,817,359.95/1,618,869
  6. Step 6: Final answer
    x = 1,830,118.32

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1.5x scale

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.