Home / 2,211,989.80-3,317,962.56-1,013,572.12

Finding the Fourth Proportional to 2,211,989.80, 3,317,962.56 and 1,013,572.12

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Solution

The fourth proportional to 2,211,989.80, 3,317,962.56 and 1,013,572.12 is: 1,520,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,989.80 : 3,317,962.56 = 1,013,572.12 : x
  2. Step 2: Convert to fraction form
    2,211,989.80/3,317,962.56 = 1,013,572.12/x
  3. Step 3: Cross multiply
    2,211,989.80x = 3,317,962.56 × 1,013,572.12
  4. Step 4: Simplify right side
    2,211,989.80x = 3,362,994,346,019.83
  5. Step 5: Solve for x
    x = 3,362,994,346,019.83/2,211,989.80
  6. Step 6: Final answer
    x = 1,520,348.04

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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.