Home / 3,208,636.35-4,812,908.00-779,807.61

Finding the Fourth Proportional to 3,208,636.35, 4,812,908.00 and 779,807.61

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Solution

The fourth proportional to 3,208,636.35, 4,812,908.00 and 779,807.61 is: 1,169,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,636.35 : 4,812,908.00 = 779,807.61 : x
  2. Step 2: Convert to fraction form
    3,208,636.35/4,812,908.00 = 779,807.61/x
  3. Step 3: Cross multiply
    3,208,636.35x = 4,812,908.00 × 779,807.61
  4. Step 4: Simplify right side
    3,208,636.35x = 3,753,142,280,730.84
  5. Step 5: Solve for x
    x = 3,753,142,280,730.84/3,208,636.35
  6. Step 6: Final answer
    x = 1,169,700.11

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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.