Home / 4,934,959.20-7,399,814.40-2,091,859.20

Finding the Fourth Proportional to 4,934,959.20, 7,399,814.40 and 2,091,859.20

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Solution

The fourth proportional to 4,934,959.20, 7,399,814.40 and 2,091,859.20 is: 3,136,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,934,959.20 : 7,399,814.40 = 2,091,859.20 : x
  2. Step 2: Convert to fraction form
    4,934,959.20/7,399,814.40 = 2,091,859.20/x
  3. Step 3: Cross multiply
    4,934,959.20x = 7,399,814.40 × 2,091,859.20
  4. Step 4: Simplify right side
    4,934,959.20x = 15,479,369,830,932.48
  5. Step 5: Solve for x
    x = 15,479,369,830,932.48/4,934,959.20
  6. Step 6: Final answer
    x = 3,136,676.35

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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.