Home / 2,186,875.46-3,017,889.42-1,220,005.73

Finding the Fourth Proportional to 2,186,875.46, 3,017,889.42 and 1,220,005.73

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Solution

The fourth proportional to 2,186,875.46, 3,017,889.42 and 1,220,005.73 is: 1,683,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,875.46 : 3,017,889.42 = 1,220,005.73 : x
  2. Step 2: Convert to fraction form
    2,186,875.46/3,017,889.42 = 1,220,005.73/x
  3. Step 3: Cross multiply
    2,186,875.46x = 3,017,889.42 × 1,220,005.73
  4. Step 4: Simplify right side
    2,186,875.46x = 3,681,842,384,906.38
  5. Step 5: Solve for x
    x = 3,681,842,384,906.38/2,186,875.46
  6. Step 6: Final answer
    x = 1,683,608.62

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1.5x scale

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.