Home / 2,078,709.60-2,870,600.16-1,965,495.48

Finding the Fourth Proportional to 2,078,709.60, 2,870,600.16 and 1,965,495.48

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Solution

The fourth proportional to 2,078,709.60, 2,870,600.16 and 1,965,495.48 is: 2,714,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,709.60 : 2,870,600.16 = 1,965,495.48 : x
  2. Step 2: Convert to fraction form
    2,078,709.60/2,870,600.16 = 1,965,495.48/x
  3. Step 3: Cross multiply
    2,078,709.60x = 2,870,600.16 × 1,965,495.48
  4. Step 4: Simplify right side
    2,078,709.60x = 5,642,151,639,367.28
  5. Step 5: Solve for x
    x = 5,642,151,639,367.28/2,078,709.60
  6. Step 6: Final answer
    x = 2,714,256.79

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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.