Home / 2,871,692.20-4,307,538.30-1,808,810.20

Finding the Fourth Proportional to 2,871,692.20, 4,307,538.30 and 1,808,810.20

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Solution

The fourth proportional to 2,871,692.20, 4,307,538.30 and 1,808,810.20 is: 2,713,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,692.20 : 4,307,538.30 = 1,808,810.20 : x
  2. Step 2: Convert to fraction form
    2,871,692.20/4,307,538.30 = 1,808,810.20/x
  3. Step 3: Cross multiply
    2,871,692.20x = 4,307,538.30 × 1,808,810.20
  4. Step 4: Simplify right side
    2,871,692.20x = 7,791,519,213,930.66
  5. Step 5: Solve for x
    x = 7,791,519,213,930.66/2,871,692.20
  6. Step 6: Final answer
    x = 2,713,215.30

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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.