Home / 2,213,269.80-3,319,904.70-697,144.20

Finding the Fourth Proportional to 2,213,269.80, 3,319,904.70 and 697,144.20

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Solution

The fourth proportional to 2,213,269.80, 3,319,904.70 and 697,144.20 is: 1,045,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,269.80 : 3,319,904.70 = 697,144.20 : x
  2. Step 2: Convert to fraction form
    2,213,269.80/3,319,904.70 = 697,144.20/x
  3. Step 3: Cross multiply
    2,213,269.80x = 3,319,904.70 × 697,144.20
  4. Step 4: Simplify right side
    2,213,269.80x = 2,314,452,306,157.74
  5. Step 5: Solve for x
    x = 2,314,452,306,157.74/2,213,269.80
  6. Step 6: Final answer
    x = 1,045,716.30

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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.