Home / 4,684,686.90-7,027,146.98-1,318,871.22

Finding the Fourth Proportional to 4,684,686.90, 7,027,146.98 and 1,318,871.22

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Solution

The fourth proportional to 4,684,686.90, 7,027,146.98 and 1,318,871.22 is: 1,978,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684,686.90 : 7,027,146.98 = 1,318,871.22 : x
  2. Step 2: Convert to fraction form
    4,684,686.90/7,027,146.98 = 1,318,871.22/x
  3. Step 3: Cross multiply
    4,684,686.90x = 7,027,146.98 × 1,318,871.22
  4. Step 4: Simplify right side
    4,684,686.90x = 9,267,901,910,631.92
  5. Step 5: Solve for x
    x = 9,267,901,910,631.92/4,684,686.90
  6. Step 6: Final answer
    x = 1,978,339.66

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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.