Home / 2,810,724.30-3,878,795.16-1,521,564.35

Finding the Fourth Proportional to 2,810,724.30, 3,878,795.16 and 1,521,564.35

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Solution

The fourth proportional to 2,810,724.30, 3,878,795.16 and 1,521,564.35 is: 2,099,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,724.30 : 3,878,795.16 = 1,521,564.35 : x
  2. Step 2: Convert to fraction form
    2,810,724.30/3,878,795.16 = 1,521,564.35/x
  3. Step 3: Cross multiply
    2,810,724.30x = 3,878,795.16 × 1,521,564.35
  4. Step 4: Simplify right side
    2,810,724.30x = 5,901,836,417,014.57
  5. Step 5: Solve for x
    x = 5,901,836,417,014.57/2,810,724.30
  6. Step 6: Final answer
    x = 2,099,756.43

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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.