Home / 2,006,087.40-2,768,346.59-1,220,858.82

Finding the Fourth Proportional to 2,006,087.40, 2,768,346.59 and 1,220,858.82

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Solution

The fourth proportional to 2,006,087.40, 2,768,346.59 and 1,220,858.82 is: 1,684,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006,087.40 : 2,768,346.59 = 1,220,858.82 : x
  2. Step 2: Convert to fraction form
    2,006,087.40/2,768,346.59 = 1,220,858.82/x
  3. Step 3: Cross multiply
    2,006,087.40x = 2,768,346.59 × 1,220,858.82
  4. Step 4: Simplify right side
    2,006,087.40x = 3,379,760,345,114.13
  5. Step 5: Solve for x
    x = 3,379,760,345,114.13/2,006,087.40
  6. Step 6: Final answer
    x = 1,684,752.29

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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.