Home / 2,839,312.98-3,917,653.11-1,806,447.78

Finding the Fourth Proportional to 2,839,312.98, 3,917,653.11 and 1,806,447.78

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Solution

The fourth proportional to 2,839,312.98, 3,917,653.11 and 1,806,447.78 is: 2,492,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,312.98 : 3,917,653.11 = 1,806,447.78 : x
  2. Step 2: Convert to fraction form
    2,839,312.98/3,917,653.11 = 1,806,447.78/x
  3. Step 3: Cross multiply
    2,839,312.98x = 3,917,653.11 × 1,806,447.78
  4. Step 4: Simplify right side
    2,839,312.98x = 7,077,035,763,369.60
  5. Step 5: Solve for x
    x = 7,077,035,763,369.60/2,839,312.98
  6. Step 6: Final answer
    x = 2,492,516.96

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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.