Home / 1,530,207.62-2,111,652.40-885,614.90

Finding the Fourth Proportional to 1,530,207.62, 2,111,652.40 and 885,614.90

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Solution

The fourth proportional to 1,530,207.62, 2,111,652.40 and 885,614.90 is: 1,222,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,207.62 : 2,111,652.40 = 885,614.90 : x
  2. Step 2: Convert to fraction form
    1,530,207.62/2,111,652.40 = 885,614.90/x
  3. Step 3: Cross multiply
    1,530,207.62x = 2,111,652.40 × 885,614.90
  4. Step 4: Simplify right side
    1,530,207.62x = 1,870,110,829,060.76
  5. Step 5: Solve for x
    x = 1,870,110,829,060.76/1,530,207.62
  6. Step 6: Final answer
    x = 1,222,128.82

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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.