Home / 2,790,876.45-4,183,657.45-896,289.28

Finding the Fourth Proportional to 2,790,876.45, 4,183,657.45 and 896,289.28

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Solution

The fourth proportional to 2,790,876.45, 4,183,657.45 and 896,289.28 is: 1,343,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,876.45 : 4,183,657.45 = 896,289.28 : x
  2. Step 2: Convert to fraction form
    2,790,876.45/4,183,657.45 = 896,289.28/x
  3. Step 3: Cross multiply
    2,790,876.45x = 4,183,657.45 × 896,289.28
  4. Step 4: Simplify right side
    2,790,876.45x = 3,749,767,326,615.98
  5. Step 5: Solve for x
    x = 3,749,767,326,615.98/2,790,876.45
  6. Step 6: Final answer
    x = 1,343,580.56

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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.