Home / 2,653,525.80-3,980,288.70-658,981.80

Finding the Fourth Proportional to 2,653,525.80, 3,980,288.70 and 658,981.80

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Solution

The fourth proportional to 2,653,525.80, 3,980,288.70 and 658,981.80 is: 988,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,525.80 : 3,980,288.70 = 658,981.80 : x
  2. Step 2: Convert to fraction form
    2,653,525.80/3,980,288.70 = 658,981.80/x
  3. Step 3: Cross multiply
    2,653,525.80x = 3,980,288.70 × 658,981.80
  4. Step 4: Simplify right side
    2,653,525.80x = 2,622,937,812,045.66
  5. Step 5: Solve for x
    x = 2,622,937,812,045.66/2,653,525.80
  6. Step 6: Final answer
    x = 988,472.70

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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.