Home / 2,809,190.40-4,213,785.60-707,942.40

Finding the Fourth Proportional to 2,809,190.40, 4,213,785.60 and 707,942.40

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Solution

The fourth proportional to 2,809,190.40, 4,213,785.60 and 707,942.40 is: 1,061,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,190.40 : 4,213,785.60 = 707,942.40 : x
  2. Step 2: Convert to fraction form
    2,809,190.40/4,213,785.60 = 707,942.40/x
  3. Step 3: Cross multiply
    2,809,190.40x = 4,213,785.60 × 707,942.40
  4. Step 4: Simplify right side
    2,809,190.40x = 2,983,117,490,749.44
  5. Step 5: Solve for x
    x = 2,983,117,490,749.44/2,809,190.40
  6. Step 6: Final answer
    x = 1,061,913.60

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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.