Home / 2,810,829.40-3,878,953.31-1,521,666.71

Finding the Fourth Proportional to 2,810,829.40, 3,878,953.31 and 1,521,666.71

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Solution

The fourth proportional to 2,810,829.40, 3,878,953.31 and 1,521,666.71 is: 2,099,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,829.40 : 3,878,953.31 = 1,521,666.71 : x
  2. Step 2: Convert to fraction form
    2,810,829.40/3,878,953.31 = 1,521,666.71/x
  3. Step 3: Cross multiply
    2,810,829.40x = 3,878,953.31 × 1,521,666.71
  4. Step 4: Simplify right side
    2,810,829.40x = 5,902,474,121,471.31
  5. Step 5: Solve for x
    x = 5,902,474,121,471.31/2,810,829.40
  6. Step 6: Final answer
    x = 2,099,904.79

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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.