Home / 2,891,814.40-4,333,574.40-2,127,692.80

Finding the Fourth Proportional to 2,891,814.40, 4,333,574.40 and 2,127,692.80

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Solution

The fourth proportional to 2,891,814.40, 4,333,574.40 and 2,127,692.80 is: 3,188,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,814.40 : 4,333,574.40 = 2,127,692.80 : x
  2. Step 2: Convert to fraction form
    2,891,814.40/4,333,574.40 = 2,127,692.80/x
  3. Step 3: Cross multiply
    2,891,814.40x = 4,333,574.40 × 2,127,692.80
  4. Step 4: Simplify right side
    2,891,814.40x = 9,220,515,049,144.32
  5. Step 5: Solve for x
    x = 9,220,515,049,144.32/2,891,814.40
  6. Step 6: Final answer
    x = 3,188,487.84

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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.