Home / 2,607,497.82-3,911,807.32-878,539.48

Finding the Fourth Proportional to 2,607,497.82, 3,911,807.32 and 878,539.48

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Solution

The fourth proportional to 2,607,497.82, 3,911,807.32 and 878,539.48 is: 1,317,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,497.82 : 3,911,807.32 = 878,539.48 : x
  2. Step 2: Convert to fraction form
    2,607,497.82/3,911,807.32 = 878,539.48/x
  3. Step 3: Cross multiply
    2,607,497.82x = 3,911,807.32 × 878,539.48
  4. Step 4: Simplify right side
    2,607,497.82x = 3,436,677,168,772.99
  5. Step 5: Solve for x
    x = 3,436,677,168,772.99/2,607,497.82
  6. Step 6: Final answer
    x = 1,317,998.10

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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.