Home / 2,824,501.20-4,236,751.80-905,408.70

Finding the Fourth Proportional to 2,824,501.20, 4,236,751.80 and 905,408.70

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Solution

The fourth proportional to 2,824,501.20, 4,236,751.80 and 905,408.70 is: 1,358,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824,501.20 : 4,236,751.80 = 905,408.70 : x
  2. Step 2: Convert to fraction form
    2,824,501.20/4,236,751.80 = 905,408.70/x
  3. Step 3: Cross multiply
    2,824,501.20x = 4,236,751.80 × 905,408.70
  4. Step 4: Simplify right side
    2,824,501.20x = 3,835,991,939,460.66
  5. Step 5: Solve for x
    x = 3,835,991,939,460.66/2,824,501.20
  6. Step 6: Final answer
    x = 1,358,113.05

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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.