Home / 3,212,999.20-4,819,498.80-3,071,281.60

Finding the Fourth Proportional to 3,212,999.20, 4,819,498.80 and 3,071,281.60

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Solution

The fourth proportional to 3,212,999.20, 4,819,498.80 and 3,071,281.60 is: 4,606,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,999.20 : 4,819,498.80 = 3,071,281.60 : x
  2. Step 2: Convert to fraction form
    3,212,999.20/4,819,498.80 = 3,071,281.60/x
  3. Step 3: Cross multiply
    3,212,999.20x = 4,819,498.80 × 3,071,281.60
  4. Step 4: Simplify right side
    3,212,999.20x = 14,802,037,985,662.08
  5. Step 5: Solve for x
    x = 14,802,037,985,662.08/3,212,999.20
  6. Step 6: Final answer
    x = 4,606,922.40

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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.