Home / 4,672,570.80-6,994,859.40-2,778,337.20

Finding the Fourth Proportional to 4,672,570.80, 6,994,859.40 and 2,778,337.20

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Solution

The fourth proportional to 4,672,570.80, 6,994,859.40 and 2,778,337.20 is: 4,159,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,570.80 : 6,994,859.40 = 2,778,337.20 : x
  2. Step 2: Convert to fraction form
    4,672,570.80/6,994,859.40 = 2,778,337.20/x
  3. Step 3: Cross multiply
    4,672,570.80x = 6,994,859.40 × 2,778,337.20
  4. Step 4: Simplify right side
    4,672,570.80x = 19,434,078,079,789.68
  5. Step 5: Solve for x
    x = 19,434,078,079,789.68/4,672,570.80
  6. Step 6: Final answer
    x = 4,159,183.22

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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.