Home / 6,641,312.61-9,161,880.05-3,886,310.01

Finding the Fourth Proportional to 6,641,312.61, 9,161,880.05 and 3,886,310.01

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Solution

The fourth proportional to 6,641,312.61, 9,161,880.05 and 3,886,310.01 is: 5,361,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,312.61 : 9,161,880.05 = 3,886,310.01 : x
  2. Step 2: Convert to fraction form
    6,641,312.61/9,161,880.05 = 3,886,310.01/x
  3. Step 3: Cross multiply
    6,641,312.61x = 9,161,880.05 × 3,886,310.01
  4. Step 4: Simplify right side
    6,641,312.61x = 35,605,906,129,302.75
  5. Step 5: Solve for x
    x = 35,605,906,129,302.75/6,641,312.61
  6. Step 6: Final answer
    x = 5,361,275.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.