Home / 2,187,109.80-3,280,664.70-2,054,140.20

Finding the Fourth Proportional to 2,187,109.80, 3,280,664.70 and 2,054,140.20

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Solution

The fourth proportional to 2,187,109.80, 3,280,664.70 and 2,054,140.20 is: 3,081,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,109.80 : 3,280,664.70 = 2,054,140.20 : x
  2. Step 2: Convert to fraction form
    2,187,109.80/3,280,664.70 = 2,054,140.20/x
  3. Step 3: Cross multiply
    2,187,109.80x = 3,280,664.70 × 2,054,140.20
  4. Step 4: Simplify right side
    2,187,109.80x = 6,738,945,242,990.94
  5. Step 5: Solve for x
    x = 6,738,945,242,990.94/2,187,109.80
  6. Step 6: Final answer
    x = 3,081,210.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.