Home / 5,257,855.26-7,885,994.02-1,663,155.11

Finding the Fourth Proportional to 5,257,855.26, 7,885,994.02 and 1,663,155.11

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Solution

The fourth proportional to 5,257,855.26, 7,885,994.02 and 1,663,155.11 is: 2,494,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,855.26 : 7,885,994.02 = 1,663,155.11 : x
  2. Step 2: Convert to fraction form
    5,257,855.26/7,885,994.02 = 1,663,155.11/x
  3. Step 3: Cross multiply
    5,257,855.26x = 7,885,994.02 × 1,663,155.11
  4. Step 4: Simplify right side
    5,257,855.26x = 13,115,631,267,349.54
  5. Step 5: Solve for x
    x = 13,115,631,267,349.54/5,257,855.26
  6. Step 6: Final answer
    x = 2,494,483.13

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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.