Home / 7,259,791.20-10,889,686.80-1,941,007.20

Finding the Fourth Proportional to 7,259,791.20, 10,889,686.80 and 1,941,007.20

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Solution

The fourth proportional to 7,259,791.20, 10,889,686.80 and 1,941,007.20 is: 2,911,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,791.20 : 10,889,686.80 = 1,941,007.20 : x
  2. Step 2: Convert to fraction form
    7,259,791.20/10,889,686.80 = 1,941,007.20/x
  3. Step 3: Cross multiply
    7,259,791.20x = 10,889,686.80 × 1,941,007.20
  4. Step 4: Simplify right side
    7,259,791.20x = 21,136,960,484,544.96
  5. Step 5: Solve for x
    x = 21,136,960,484,544.96/7,259,791.20
  6. Step 6: Final answer
    x = 2,911,510.80

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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.