Home / 6,510,782.40-9,763,408.80-3,146,020.80

Finding the Fourth Proportional to 6,510,782.40, 9,763,408.80 and 3,146,020.80

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Solution

The fourth proportional to 6,510,782.40, 9,763,408.80 and 3,146,020.80 is: 4,717,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510,782.40 : 9,763,408.80 = 3,146,020.80 : x
  2. Step 2: Convert to fraction form
    6,510,782.40/9,763,408.80 = 3,146,020.80/x
  3. Step 3: Cross multiply
    6,510,782.40x = 9,763,408.80 × 3,146,020.80
  4. Step 4: Simplify right side
    6,510,782.40x = 30,715,887,163,703.04
  5. Step 5: Solve for x
    x = 30,715,887,163,703.04/6,510,782.40
  6. Step 6: Final answer
    x = 4,717,695.24

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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.