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Finding the Fourth Proportional to 2,865,859.42, 3,954,885.86 and 1,576,672.13

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Solution

The fourth proportional to 2,865,859.42, 3,954,885.86 and 1,576,672.13 is: 2,175,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,859.42 : 3,954,885.86 = 1,576,672.13 : x
  2. Step 2: Convert to fraction form
    2,865,859.42/3,954,885.86 = 1,576,672.13/x
  3. Step 3: Cross multiply
    2,865,859.42x = 3,954,885.86 × 1,576,672.13
  4. Step 4: Simplify right side
    2,865,859.42x = 6,235,558,312,793.08
  5. Step 5: Solve for x
    x = 6,235,558,312,793.08/2,865,859.42
  6. Step 6: Final answer
    x = 2,175,807.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.