Home / 4,992,085.65-6,887,121.39-2,898,570.76

Finding the Fourth Proportional to 4,992,085.65, 6,887,121.39 and 2,898,570.76

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Solution

The fourth proportional to 4,992,085.65, 6,887,121.39 and 2,898,570.76 is: 3,998,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,085.65 : 6,887,121.39 = 2,898,570.76 : x
  2. Step 2: Convert to fraction form
    4,992,085.65/6,887,121.39 = 2,898,570.76/x
  3. Step 3: Cross multiply
    4,992,085.65x = 6,887,121.39 × 2,898,570.76
  4. Step 4: Simplify right side
    4,992,085.65x = 19,962,808,664,406.75
  5. Step 5: Solve for x
    x = 19,962,808,664,406.75/4,992,085.65
  6. Step 6: Final answer
    x = 3,998,891.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.