Home / 4,782,509.80-7,164,087.90-2,979,860.20

Finding the Fourth Proportional to 4,782,509.80, 7,164,087.90 and 2,979,860.20

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Solution

The fourth proportional to 4,782,509.80, 7,164,087.90 and 2,979,860.20 is: 4,463,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,509.80 : 7,164,087.90 = 2,979,860.20 : x
  2. Step 2: Convert to fraction form
    4,782,509.80/7,164,087.90 = 2,979,860.20/x
  3. Step 3: Cross multiply
    4,782,509.80x = 7,164,087.90 × 2,979,860.20
  4. Step 4: Simplify right side
    4,782,509.80x = 21,347,980,402,511.58
  5. Step 5: Solve for x
    x = 21,347,980,402,511.58/4,782,509.80
  6. Step 6: Final answer
    x = 4,463,760.93

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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.