Home / 1,530,203.94-2,111,647.32-885,611.21

Finding the Fourth Proportional to 1,530,203.94, 2,111,647.32 and 885,611.21

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Solution

The fourth proportional to 1,530,203.94, 2,111,647.32 and 885,611.21 is: 1,222,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,203.94 : 2,111,647.32 = 885,611.21 : x
  2. Step 2: Convert to fraction form
    1,530,203.94/2,111,647.32 = 885,611.21/x
  3. Step 3: Cross multiply
    1,530,203.94x = 2,111,647.32 × 885,611.21
  4. Step 4: Simplify right side
    1,530,203.94x = 1,870,098,527,600.22
  5. Step 5: Solve for x
    x = 1,870,098,527,600.22/1,530,203.94
  6. Step 6: Final answer
    x = 1,222,123.72

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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.