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Finding the Fourth Proportional to 3,868,886.40, 5,800,564.80 and 1,737,225.60

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Solution

The fourth proportional to 3,868,886.40, 5,800,564.80 and 1,737,225.60 is: 2,604,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,886.40 : 5,800,564.80 = 1,737,225.60 : x
  2. Step 2: Convert to fraction form
    3,868,886.40/5,800,564.80 = 1,737,225.60/x
  3. Step 3: Cross multiply
    3,868,886.40x = 5,800,564.80 × 1,737,225.60
  4. Step 4: Simplify right side
    3,868,886.40x = 10,076,889,665,018.88
  5. Step 5: Solve for x
    x = 10,076,889,665,018.88/3,868,886.40
  6. Step 6: Final answer
    x = 2,604,596.94

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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.