Home / 5,382,643.56-8,071,953.30-2,186,692.98

Finding the Fourth Proportional to 5,382,643.56, 8,071,953.30 and 2,186,692.98

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Solution

The fourth proportional to 5,382,643.56, 8,071,953.30 and 2,186,692.98 is: 3,279,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382,643.56 : 8,071,953.30 = 2,186,692.98 : x
  2. Step 2: Convert to fraction form
    5,382,643.56/8,071,953.30 = 2,186,692.98/x
  3. Step 3: Cross multiply
    5,382,643.56x = 8,071,953.30 × 2,186,692.98
  4. Step 4: Simplify right side
    5,382,643.56x = 17,650,883,615,997.83
  5. Step 5: Solve for x
    x = 17,650,883,615,997.83/5,382,643.56
  6. Step 6: Final answer
    x = 3,279,222.08

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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.