Home / 3,106,121.40-4,656,411.90-1,212,422.40

Finding the Fourth Proportional to 3,106,121.40, 4,656,411.90 and 1,212,422.40

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Solution

The fourth proportional to 3,106,121.40, 4,656,411.90 and 1,212,422.40 is: 1,817,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,121.40 : 4,656,411.90 = 1,212,422.40 : x
  2. Step 2: Convert to fraction form
    3,106,121.40/4,656,411.90 = 1,212,422.40/x
  3. Step 3: Cross multiply
    3,106,121.40x = 4,656,411.90 × 1,212,422.40
  4. Step 4: Simplify right side
    3,106,121.40x = 5,645,538,091,186.56
  5. Step 5: Solve for x
    x = 5,645,538,091,186.56/3,106,121.40
  6. Step 6: Final answer
    x = 1,817,552.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.