Home / 3,102,313.72-4,650,960.30-1,395,206.80

Finding the Fourth Proportional to 3,102,313.72, 4,650,960.30 and 1,395,206.80

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Solution

The fourth proportional to 3,102,313.72, 4,650,960.30 and 1,395,206.80 is: 2,091,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,313.72 : 4,650,960.30 = 1,395,206.80 : x
  2. Step 2: Convert to fraction form
    3,102,313.72/4,650,960.30 = 1,395,206.80/x
  3. Step 3: Cross multiply
    3,102,313.72x = 4,650,960.30 × 1,395,206.80
  4. Step 4: Simplify right side
    3,102,313.72x = 6,489,051,437,090.04
  5. Step 5: Solve for x
    x = 6,489,051,437,090.04/3,102,313.72
  6. Step 6: Final answer
    x = 2,091,681.25

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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.