Home / 2,928,480.48-4,041,113.09-1,639,309.59

Finding the Fourth Proportional to 2,928,480.48, 4,041,113.09 and 1,639,309.59

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Solution

The fourth proportional to 2,928,480.48, 4,041,113.09 and 1,639,309.59 is: 2,262,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,480.48 : 4,041,113.09 = 1,639,309.59 : x
  2. Step 2: Convert to fraction form
    2,928,480.48/4,041,113.09 = 1,639,309.59/x
  3. Step 3: Cross multiply
    2,928,480.48x = 4,041,113.09 × 1,639,309.59
  4. Step 4: Simplify right side
    2,928,480.48x = 6,624,635,434,514.99
  5. Step 5: Solve for x
    x = 6,624,635,434,514.99/2,928,480.48
  6. Step 6: Final answer
    x = 2,262,140.89

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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.