Home / 3,842,692.08-5,302,596-2,123,812.20

Finding the Fourth Proportional to 3,842,692.08, 5,302,596 and 2,123,812.20

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Solution

The fourth proportional to 3,842,692.08, 5,302,596 and 2,123,812.20 is: 2,930,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,692.08 : 5,302,596 = 2,123,812.20 : x
  2. Step 2: Convert to fraction form
    3,842,692.08/5,302,596 = 2,123,812.20/x
  3. Step 3: Cross multiply
    3,842,692.08x = 5,302,596 × 2,123,812.20
  4. Step 4: Simplify right side
    3,842,692.08x = 11,261,718,076,471.20
  5. Step 5: Solve for x
    x = 11,261,718,076,471.20/3,842,692.08
  6. Step 6: Final answer
    x = 2,930,684.49

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Double scale
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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.