Home / 5,637,129.12-8,455,392.36-1,993,606.56

Finding the Fourth Proportional to 5,637,129.12, 8,455,392.36 and 1,993,606.56

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Solution

The fourth proportional to 5,637,129.12, 8,455,392.36 and 1,993,606.56 is: 2,990,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637,129.12 : 8,455,392.36 = 1,993,606.56 : x
  2. Step 2: Convert to fraction form
    5,637,129.12/8,455,392.36 = 1,993,606.56/x
  3. Step 3: Cross multiply
    5,637,129.12x = 8,455,392.36 × 1,993,606.56
  4. Step 4: Simplify right side
    5,637,129.12x = 16,856,725,676,269.88
  5. Step 5: Solve for x
    x = 16,856,725,676,269.88/5,637,129.12
  6. Step 6: Final answer
    x = 2,990,303.28

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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.