Home / 2,137,849.44-2,950,280.16-1,220,060.31

Finding the Fourth Proportional to 2,137,849.44, 2,950,280.16 and 1,220,060.31

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Solution

The fourth proportional to 2,137,849.44, 2,950,280.16 and 1,220,060.31 is: 1,683,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,849.44 : 2,950,280.16 = 1,220,060.31 : x
  2. Step 2: Convert to fraction form
    2,137,849.44/2,950,280.16 = 1,220,060.31/x
  3. Step 3: Cross multiply
    2,137,849.44x = 2,950,280.16 × 1,220,060.31
  4. Step 4: Simplify right side
    2,137,849.44x = 3,599,519,726,596.45
  5. Step 5: Solve for x
    x = 3,599,519,726,596.45/2,137,849.44
  6. Step 6: Final answer
    x = 1,683,710.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.