Home / 2,177,682-3,005,058.84-1,210,776.60

Finding the Fourth Proportional to 2,177,682, 3,005,058.84 and 1,210,776.60

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Solution

The fourth proportional to 2,177,682, 3,005,058.84 and 1,210,776.60 is: 1,670,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,682 : 3,005,058.84 = 1,210,776.60 : x
  2. Step 2: Convert to fraction form
    2,177,682/3,005,058.84 = 1,210,776.60/x
  3. Step 3: Cross multiply
    2,177,682x = 3,005,058.84 × 1,210,776.60
  4. Step 4: Simplify right side
    2,177,682x = 3,638,454,925,095.14
  5. Step 5: Solve for x
    x = 3,638,454,925,095.14/2,177,682
  6. Step 6: Final answer
    x = 1,670,792.58

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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.