Home / 3,318,009.60-4,977,628.80-1,074,220.80

Finding the Fourth Proportional to 3,318,009.60, 4,977,628.80 and 1,074,220.80

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Solution

The fourth proportional to 3,318,009.60, 4,977,628.80 and 1,074,220.80 is: 1,611,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,009.60 : 4,977,628.80 = 1,074,220.80 : x
  2. Step 2: Convert to fraction form
    3,318,009.60/4,977,628.80 = 1,074,220.80/x
  3. Step 3: Cross multiply
    3,318,009.60x = 4,977,628.80 × 1,074,220.80
  4. Step 4: Simplify right side
    3,318,009.60x = 5,347,072,391,639.04
  5. Step 5: Solve for x
    x = 5,347,072,391,639.04/3,318,009.60
  6. Step 6: Final answer
    x = 1,611,530.11

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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.