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Finding the Fourth Proportional to 3,547,692.56, 4,895,694.60 and 2,019,504.08

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Solution

The fourth proportional to 3,547,692.56, 4,895,694.60 and 2,019,504.08 is: 2,786,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,692.56 : 4,895,694.60 = 2,019,504.08 : x
  2. Step 2: Convert to fraction form
    3,547,692.56/4,895,694.60 = 2,019,504.08/x
  3. Step 3: Cross multiply
    3,547,692.56x = 4,895,694.60 × 2,019,504.08
  4. Step 4: Simplify right side
    3,547,692.56x = 9,886,875,219,133.97
  5. Step 5: Solve for x
    x = 9,886,875,219,133.97/3,547,692.56
  6. Step 6: Final answer
    x = 2,786,846.68

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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.