Home / 2,185,122.93-3,015,482.27-1,218,313.41

Finding the Fourth Proportional to 2,185,122.93, 3,015,482.27 and 1,218,313.41

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Solution

The fourth proportional to 2,185,122.93, 3,015,482.27 and 1,218,313.41 is: 1,681,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,122.93 : 3,015,482.27 = 1,218,313.41 : x
  2. Step 2: Convert to fraction form
    2,185,122.93/3,015,482.27 = 1,218,313.41/x
  3. Step 3: Cross multiply
    2,185,122.93x = 3,015,482.27 × 1,218,313.41
  4. Step 4: Simplify right side
    2,185,122.93x = 3,673,802,487,158.24
  5. Step 5: Solve for x
    x = 3,673,802,487,158.24/2,185,122.93
  6. Step 6: Final answer
    x = 1,681,279.55

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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.