Home / 2,912,553.60-4,368,830.40-2,789,692.80

Finding the Fourth Proportional to 2,912,553.60, 4,368,830.40 and 2,789,692.80

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Solution

The fourth proportional to 2,912,553.60, 4,368,830.40 and 2,789,692.80 is: 4,184,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,553.60 : 4,368,830.40 = 2,789,692.80 : x
  2. Step 2: Convert to fraction form
    2,912,553.60/4,368,830.40 = 2,789,692.80/x
  3. Step 3: Cross multiply
    2,912,553.60x = 4,368,830.40 × 2,789,692.80
  4. Step 4: Simplify right side
    2,912,553.60x = 12,187,694,711,301.12
  5. Step 5: Solve for x
    x = 12,187,694,711,301.12/2,912,553.60
  6. Step 6: Final answer
    x = 4,184,539.20

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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.