Home / 1,879,649.56-2,593,909.82-1,020,209.81

Finding the Fourth Proportional to 1,879,649.56, 2,593,909.82 and 1,020,209.81

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Solution

The fourth proportional to 1,879,649.56, 2,593,909.82 and 1,020,209.81 is: 1,407,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,649.56 : 2,593,909.82 = 1,020,209.81 : x
  2. Step 2: Convert to fraction form
    1,879,649.56/2,593,909.82 = 1,020,209.81/x
  3. Step 3: Cross multiply
    1,879,649.56x = 2,593,909.82 × 1,020,209.81
  4. Step 4: Simplify right side
    1,879,649.56x = 2,646,332,239,518.29
  5. Step 5: Solve for x
    x = 2,646,332,239,518.29/1,879,649.56
  6. Step 6: Final answer
    x = 1,407,885.97

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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.