Home / 2,071,097.20-3,103,729.80-1,645,361.20

Finding the Fourth Proportional to 2,071,097.20, 3,103,729.80 and 1,645,361.20

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Solution

The fourth proportional to 2,071,097.20, 3,103,729.80 and 1,645,361.20 is: 2,465,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,097.20 : 3,103,729.80 = 1,645,361.20 : x
  2. Step 2: Convert to fraction form
    2,071,097.20/3,103,729.80 = 1,645,361.20/x
  3. Step 3: Cross multiply
    2,071,097.20x = 3,103,729.80 × 1,645,361.20
  4. Step 4: Simplify right side
    2,071,097.20x = 5,106,756,588,203.76
  5. Step 5: Solve for x
    x = 5,106,756,588,203.76/2,071,097.20
  6. Step 6: Final answer
    x = 2,465,725.21

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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.