Home / 3,211,840.01-4,814,809.53-1,389,064.88

Finding the Fourth Proportional to 3,211,840.01, 4,814,809.53 and 1,389,064.88

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Solution

The fourth proportional to 3,211,840.01, 4,814,809.53 and 1,389,064.88 is: 2,082,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,840.01 : 4,814,809.53 = 1,389,064.88 : x
  2. Step 2: Convert to fraction form
    3,211,840.01/4,814,809.53 = 1,389,064.88/x
  3. Step 3: Cross multiply
    3,211,840.01x = 4,814,809.53 × 1,389,064.88
  4. Step 4: Simplify right side
    3,211,840.01x = 6,688,082,828,840.34
  5. Step 5: Solve for x
    x = 6,688,082,828,840.34/3,211,840.01
  6. Step 6: Final answer
    x = 2,082,321.29

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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.