Home / 2,790,880.08-4,186,916.38-969,301.36

Finding the Fourth Proportional to 2,790,880.08, 4,186,916.38 and 969,301.36

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Solution

The fourth proportional to 2,790,880.08, 4,186,916.38 and 969,301.36 is: 1,454,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,880.08 : 4,186,916.38 = 969,301.36 : x
  2. Step 2: Convert to fraction form
    2,790,880.08/4,186,916.38 = 969,301.36/x
  3. Step 3: Cross multiply
    2,790,880.08x = 4,186,916.38 × 969,301.36
  4. Step 4: Simplify right side
    2,790,880.08x = 4,058,383,741,340.28
  5. Step 5: Solve for x
    x = 4,058,383,741,340.28/2,790,880.08
  6. Step 6: Final answer
    x = 1,454,159.13

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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.