Home / 2,790,881.10-4,186,917.90-969,302.37

Finding the Fourth Proportional to 2,790,881.10, 4,186,917.90 and 969,302.37

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Solution

The fourth proportional to 2,790,881.10, 4,186,917.90 and 969,302.37 is: 1,454,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,881.10 : 4,186,917.90 = 969,302.37 : x
  2. Step 2: Convert to fraction form
    2,790,881.10/4,186,917.90 = 969,302.37/x
  3. Step 3: Cross multiply
    2,790,881.10x = 4,186,917.90 × 969,302.37
  4. Step 4: Simplify right side
    2,790,881.10x = 4,058,389,443,465.42
  5. Step 5: Solve for x
    x = 4,058,389,443,465.42/2,790,881.10
  6. Step 6: Final answer
    x = 1,454,160.64

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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.