Home / 2,192,970.24-3,289,420.80-697,040.64

Finding the Fourth Proportional to 2,192,970.24, 3,289,420.80 and 697,040.64

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Solution

The fourth proportional to 2,192,970.24, 3,289,420.80 and 697,040.64 is: 1,045,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,970.24 : 3,289,420.80 = 697,040.64 : x
  2. Step 2: Convert to fraction form
    2,192,970.24/3,289,420.80 = 697,040.64/x
  3. Step 3: Cross multiply
    2,192,970.24x = 3,289,420.80 × 697,040.64
  4. Step 4: Simplify right side
    2,192,970.24x = 2,292,859,979,661.31
  5. Step 5: Solve for x
    x = 2,292,859,979,661.31/2,192,970.24
  6. Step 6: Final answer
    x = 1,045,549.98

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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.