Home / 3,213,275.84-4,812,314.40-2,790,252.80

Finding the Fourth Proportional to 3,213,275.84, 4,812,314.40 and 2,790,252.80

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Solution

The fourth proportional to 3,213,275.84, 4,812,314.40 and 2,790,252.80 is: 4,178,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,275.84 : 4,812,314.40 = 2,790,252.80 : x
  2. Step 2: Convert to fraction form
    3,213,275.84/4,812,314.40 = 2,790,252.80/x
  3. Step 3: Cross multiply
    3,213,275.84x = 4,812,314.40 × 2,790,252.80
  4. Step 4: Simplify right side
    3,213,275.84x = 13,427,573,729,080.32
  5. Step 5: Solve for x
    x = 13,427,573,729,080.32/3,213,275.84
  6. Step 6: Final answer
    x = 4,178,780.28

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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.