Home / 5,385,616.60-8,078,424.90-3,685,005.40

Finding the Fourth Proportional to 5,385,616.60, 8,078,424.90 and 3,685,005.40

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Solution

The fourth proportional to 5,385,616.60, 8,078,424.90 and 3,685,005.40 is: 5,527,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,616.60 : 8,078,424.90 = 3,685,005.40 : x
  2. Step 2: Convert to fraction form
    5,385,616.60/8,078,424.90 = 3,685,005.40/x
  3. Step 3: Cross multiply
    5,385,616.60x = 8,078,424.90 × 3,685,005.40
  4. Step 4: Simplify right side
    5,385,616.60x = 29,769,039,379,994.46
  5. Step 5: Solve for x
    x = 29,769,039,379,994.46/5,385,616.60
  6. Step 6: Final answer
    x = 5,527,508.10

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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.