Home / 5,105,532.56-7,045,636.05-2,782,425.63

Finding the Fourth Proportional to 5,105,532.56, 7,045,636.05 and 2,782,425.63

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Solution

The fourth proportional to 5,105,532.56, 7,045,636.05 and 2,782,425.63 is: 3,839,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,532.56 : 7,045,636.05 = 2,782,425.63 : x
  2. Step 2: Convert to fraction form
    5,105,532.56/7,045,636.05 = 2,782,425.63/x
  3. Step 3: Cross multiply
    5,105,532.56x = 7,045,636.05 × 2,782,425.63
  4. Step 4: Simplify right side
    5,105,532.56x = 19,603,958,311,259.83
  5. Step 5: Solve for x
    x = 19,603,958,311,259.83/5,105,532.56
  6. Step 6: Final answer
    x = 3,839,747.98

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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.