Home / 2,193,235.60-3,289,853.40-697,478.80

Finding the Fourth Proportional to 2,193,235.60, 3,289,853.40 and 697,478.80

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Solution

The fourth proportional to 2,193,235.60, 3,289,853.40 and 697,478.80 is: 1,046,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,235.60 : 3,289,853.40 = 697,478.80 : x
  2. Step 2: Convert to fraction form
    2,193,235.60/3,289,853.40 = 697,478.80/x
  3. Step 3: Cross multiply
    2,193,235.60x = 3,289,853.40 × 697,478.80
  4. Step 4: Simplify right side
    2,193,235.60x = 2,294,603,001,607.92
  5. Step 5: Solve for x
    x = 2,294,603,001,607.92/2,193,235.60
  6. Step 6: Final answer
    x = 1,046,218.20

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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.