Home / 1,545,559.80-2,318,339.70-1,380,222.60

Finding the Fourth Proportional to 1,545,559.80, 2,318,339.70 and 1,380,222.60

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Solution

The fourth proportional to 1,545,559.80, 2,318,339.70 and 1,380,222.60 is: 2,070,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,559.80 : 2,318,339.70 = 1,380,222.60 : x
  2. Step 2: Convert to fraction form
    1,545,559.80/2,318,339.70 = 1,380,222.60/x
  3. Step 3: Cross multiply
    1,545,559.80x = 2,318,339.70 × 1,380,222.60
  4. Step 4: Simplify right side
    1,545,559.80x = 3,199,824,848,417.22
  5. Step 5: Solve for x
    x = 3,199,824,848,417.22/1,545,559.80
  6. Step 6: Final answer
    x = 2,070,333.90

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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.