Home / 2,810,757.81-3,878,844.96-1,521,597.25

Finding the Fourth Proportional to 2,810,757.81, 3,878,844.96 and 1,521,597.25

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Solution

The fourth proportional to 2,810,757.81, 3,878,844.96 and 1,521,597.25 is: 2,099,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,757.81 : 3,878,844.96 = 1,521,597.25 : x
  2. Step 2: Convert to fraction form
    2,810,757.81/3,878,844.96 = 1,521,597.25/x
  3. Step 3: Cross multiply
    2,810,757.81x = 3,878,844.96 × 1,521,597.25
  4. Step 4: Simplify right side
    2,810,757.81x = 5,902,039,824,312.36
  5. Step 5: Solve for x
    x = 5,902,039,824,312.36/2,810,757.81
  6. Step 6: Final answer
    x = 2,099,803.76

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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.