Home / 1,530,205.44-2,111,649.39-885,612.71

Finding the Fourth Proportional to 1,530,205.44, 2,111,649.39 and 885,612.71

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Solution

The fourth proportional to 1,530,205.44, 2,111,649.39 and 885,612.71 is: 1,222,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,205.44 : 2,111,649.39 = 885,612.71 : x
  2. Step 2: Convert to fraction form
    1,530,205.44/2,111,649.39 = 885,612.71/x
  3. Step 3: Cross multiply
    1,530,205.44x = 2,111,649.39 × 885,612.71
  4. Step 4: Simplify right side
    1,530,205.44x = 1,870,103,528,289.50
  5. Step 5: Solve for x
    x = 1,870,103,528,289.50/1,530,205.44
  6. Step 6: Final answer
    x = 1,222,125.79

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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.