Home / 2,990,658.56-4,484,879.76-1,071,270.80

Finding the Fourth Proportional to 2,990,658.56, 4,484,879.76 and 1,071,270.80

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Solution

The fourth proportional to 2,990,658.56, 4,484,879.76 and 1,071,270.80 is: 1,606,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,658.56 : 4,484,879.76 = 1,071,270.80 : x
  2. Step 2: Convert to fraction form
    2,990,658.56/4,484,879.76 = 1,071,270.80/x
  3. Step 3: Cross multiply
    2,990,658.56x = 4,484,879.76 × 1,071,270.80
  4. Step 4: Simplify right side
    2,990,658.56x = 4,804,520,728,399.01
  5. Step 5: Solve for x
    x = 4,804,520,728,399.01/2,990,658.56
  6. Step 6: Final answer
    x = 1,606,509.28

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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.