Home / 2,177,622-3,005,118.36-1,223,766

Finding the Fourth Proportional to 2,177,622, 3,005,118.36 and 1,223,766

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Solution

The fourth proportional to 2,177,622, 3,005,118.36 and 1,223,766 is: 1,688,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,622 : 3,005,118.36 = 1,223,766 : x
  2. Step 2: Convert to fraction form
    2,177,622/3,005,118.36 = 1,223,766/x
  3. Step 3: Cross multiply
    2,177,622x = 3,005,118.36 × 1,223,766
  4. Step 4: Simplify right side
    2,177,622x = 3,677,561,674,943.76
  5. Step 5: Solve for x
    x = 3,677,561,674,943.76/2,177,622
  6. Step 6: Final answer
    x = 1,688,797.08

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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.