Home / 2,810,724.12-3,878,794.80-1,521,564.17

Finding the Fourth Proportional to 2,810,724.12, 3,878,794.80 and 1,521,564.17

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Solution

The fourth proportional to 2,810,724.12, 3,878,794.80 and 1,521,564.17 is: 2,099,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,724.12 : 3,878,794.80 = 1,521,564.17 : x
  2. Step 2: Convert to fraction form
    2,810,724.12/3,878,794.80 = 1,521,564.17/x
  3. Step 3: Cross multiply
    2,810,724.12x = 3,878,794.80 × 1,521,564.17
  4. Step 4: Simplify right side
    2,810,724.12x = 5,901,835,171,068.34
  5. Step 5: Solve for x
    x = 5,901,835,171,068.34/2,810,724.12
  6. Step 6: Final answer
    x = 2,099,756.12

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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.