Home / 3,102,237.20-4,653,459.48-858,187.28

Finding the Fourth Proportional to 3,102,237.20, 4,653,459.48 and 858,187.28

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Solution

The fourth proportional to 3,102,237.20, 4,653,459.48 and 858,187.28 is: 1,287,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,237.20 : 4,653,459.48 = 858,187.28 : x
  2. Step 2: Convert to fraction form
    3,102,237.20/4,653,459.48 = 858,187.28/x
  3. Step 3: Cross multiply
    3,102,237.20x = 4,653,459.48 × 858,187.28
  4. Step 4: Simplify right side
    3,102,237.20x = 3,993,539,733,731.42
  5. Step 5: Solve for x
    x = 3,993,539,733,731.42/3,102,237.20
  6. Step 6: Final answer
    x = 1,287,309.60

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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.