Home / 5,311,150.98-7,965,754.50-1,420,658.40

Finding the Fourth Proportional to 5,311,150.98, 7,965,754.50 and 1,420,658.40

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Solution

The fourth proportional to 5,311,150.98, 7,965,754.50 and 1,420,658.40 is: 2,130,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311,150.98 : 7,965,754.50 = 1,420,658.40 : x
  2. Step 2: Convert to fraction form
    5,311,150.98/7,965,754.50 = 1,420,658.40/x
  3. Step 3: Cross multiply
    5,311,150.98x = 7,965,754.50 × 1,420,658.40
  4. Step 4: Simplify right side
    5,311,150.98x = 11,316,616,042,762.80
  5. Step 5: Solve for x
    x = 11,316,616,042,762.80/5,311,150.98
  6. Step 6: Final answer
    x = 2,130,727.61

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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.