Home / 6,446,249.60-9,658,876.80-4,745,638.40

Finding the Fourth Proportional to 6,446,249.60, 9,658,876.80 and 4,745,638.40

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Solution

The fourth proportional to 6,446,249.60, 9,658,876.80 and 4,745,638.40 is: 7,110,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,249.60 : 9,658,876.80 = 4,745,638.40 : x
  2. Step 2: Convert to fraction form
    6,446,249.60/9,658,876.80 = 4,745,638.40/x
  3. Step 3: Cross multiply
    6,446,249.60x = 9,658,876.80 × 4,745,638.40
  4. Step 4: Simplify right side
    6,446,249.60x = 45,837,536,642,949.12
  5. Step 5: Solve for x
    x = 45,837,536,642,949.12/6,446,249.60
  6. Step 6: Final answer
    x = 7,110,729.41

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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.