Home / 1,972,308-2,721,787.62-1,066,890

Finding the Fourth Proportional to 1,972,308, 2,721,787.62 and 1,066,890

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Solution

The fourth proportional to 1,972,308, 2,721,787.62 and 1,066,890 is: 1,472,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,308 : 2,721,787.62 = 1,066,890 : x
  2. Step 2: Convert to fraction form
    1,972,308/2,721,787.62 = 1,066,890/x
  3. Step 3: Cross multiply
    1,972,308x = 2,721,787.62 × 1,066,890
  4. Step 4: Simplify right side
    1,972,308x = 2,903,847,993,901.80
  5. Step 5: Solve for x
    x = 2,903,847,993,901.80/1,972,308
  6. Step 6: Final answer
    x = 1,472,309.60

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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.