Home / 2,799,853.72-4,200,393.08-906,786.52

Finding the Fourth Proportional to 2,799,853.72, 4,200,393.08 and 906,786.52

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Solution

The fourth proportional to 2,799,853.72, 4,200,393.08 and 906,786.52 is: 1,360,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,853.72 : 4,200,393.08 = 906,786.52 : x
  2. Step 2: Convert to fraction form
    2,799,853.72/4,200,393.08 = 906,786.52/x
  3. Step 3: Cross multiply
    2,799,853.72x = 4,200,393.08 × 906,786.52
  4. Step 4: Simplify right side
    2,799,853.72x = 3,808,859,823,645.28
  5. Step 5: Solve for x
    x = 3,808,859,823,645.28/2,799,853.72
  6. Step 6: Final answer
    x = 1,360,378.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.