Home / 2,186,876.46-3,017,890.80-1,220,006.73

Finding the Fourth Proportional to 2,186,876.46, 3,017,890.80 and 1,220,006.73

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Solution

The fourth proportional to 2,186,876.46, 3,017,890.80 and 1,220,006.73 is: 1,683,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,876.46 : 3,017,890.80 = 1,220,006.73 : x
  2. Step 2: Convert to fraction form
    2,186,876.46/3,017,890.80 = 1,220,006.73/x
  3. Step 3: Cross multiply
    2,186,876.46x = 3,017,890.80 × 1,220,006.73
  4. Step 4: Simplify right side
    2,186,876.46x = 3,681,847,086,405.08
  5. Step 5: Solve for x
    x = 3,681,847,086,405.08/2,186,876.46
  6. Step 6: Final answer
    x = 1,683,610.00

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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.