Home / 5,379,869.35-8,069,840.36-1,966,751.88

Finding the Fourth Proportional to 5,379,869.35, 8,069,840.36 and 1,966,751.88

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Solution

The fourth proportional to 5,379,869.35, 8,069,840.36 and 1,966,751.88 is: 2,950,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,869.35 : 8,069,840.36 = 1,966,751.88 : x
  2. Step 2: Convert to fraction form
    5,379,869.35/8,069,840.36 = 1,966,751.88/x
  3. Step 3: Cross multiply
    5,379,869.35x = 8,069,840.36 × 1,966,751.88
  4. Step 4: Simplify right side
    5,379,869.35x = 15,871,373,699,329.88
  5. Step 5: Solve for x
    x = 15,871,373,699,329.88/5,379,869.35
  6. Step 6: Final answer
    x = 2,950,141.10

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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.