Home / 5,278,172.08-7,281,712.26-3,211,530.94

Finding the Fourth Proportional to 5,278,172.08, 7,281,712.26 and 3,211,530.94

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Solution

The fourth proportional to 5,278,172.08, 7,281,712.26 and 3,211,530.94 is: 4,430,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,172.08 : 7,281,712.26 = 3,211,530.94 : x
  2. Step 2: Convert to fraction form
    5,278,172.08/7,281,712.26 = 3,211,530.94/x
  3. Step 3: Cross multiply
    5,278,172.08x = 7,281,712.26 × 3,211,530.94
  4. Step 4: Simplify right side
    5,278,172.08x = 23,385,444,219,167.32
  5. Step 5: Solve for x
    x = 23,385,444,219,167.32/5,278,172.08
  6. Step 6: Final answer
    x = 4,430,595.26

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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.