Home / 3,208,616.76-4,812,935.98-812,460.26

Finding the Fourth Proportional to 3,208,616.76, 4,812,935.98 and 812,460.26

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Solution

The fourth proportional to 3,208,616.76, 4,812,935.98 and 812,460.26 is: 1,218,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,616.76 : 4,812,935.98 = 812,460.26 : x
  2. Step 2: Convert to fraction form
    3,208,616.76/4,812,935.98 = 812,460.26/x
  3. Step 3: Cross multiply
    3,208,616.76x = 4,812,935.98 × 812,460.26
  4. Step 4: Simplify right side
    3,208,616.76x = 3,910,319,217,674.16
  5. Step 5: Solve for x
    x = 3,910,319,217,674.16/3,208,616.76
  6. Step 6: Final answer
    x = 1,218,693.13

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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.