Home / 2,803,894.76-3,870,666.42-1,642,179.80

Finding the Fourth Proportional to 2,803,894.76, 3,870,666.42 and 1,642,179.80

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Solution

The fourth proportional to 2,803,894.76, 3,870,666.42 and 1,642,179.80 is: 2,266,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,894.76 : 3,870,666.42 = 1,642,179.80 : x
  2. Step 2: Convert to fraction form
    2,803,894.76/3,870,666.42 = 1,642,179.80/x
  3. Step 3: Cross multiply
    2,803,894.76x = 3,870,666.42 × 1,642,179.80
  4. Step 4: Simplify right side
    2,803,894.76x = 6,356,330,207,462.32
  5. Step 5: Solve for x
    x = 6,356,330,207,462.32/2,803,894.76
  6. Step 6: Final answer
    x = 2,266,964.62

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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.