Home / 2,575,507.39-3,863,807.53-978,035.11

Finding the Fourth Proportional to 2,575,507.39, 3,863,807.53 and 978,035.11

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Solution

The fourth proportional to 2,575,507.39, 3,863,807.53 and 978,035.11 is: 1,467,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575,507.39 : 3,863,807.53 = 978,035.11 : x
  2. Step 2: Convert to fraction form
    2,575,507.39/3,863,807.53 = 978,035.11/x
  3. Step 3: Cross multiply
    2,575,507.39x = 3,863,807.53 × 978,035.11
  4. Step 4: Simplify right side
    2,575,507.39x = 3,778,939,410,517.77
  5. Step 5: Solve for x
    x = 3,778,939,410,517.77/2,575,507.39
  6. Step 6: Final answer
    x = 1,467,260.17

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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.