Home / 2,485,009.36-3,727,098.81-688,074.48

Finding the Fourth Proportional to 2,485,009.36, 3,727,098.81 and 688,074.48

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Solution

The fourth proportional to 2,485,009.36, 3,727,098.81 and 688,074.48 is: 1,031,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,009.36 : 3,727,098.81 = 688,074.48 : x
  2. Step 2: Convert to fraction form
    2,485,009.36/3,727,098.81 = 688,074.48/x
  3. Step 3: Cross multiply
    2,485,009.36x = 3,727,098.81 × 688,074.48
  4. Step 4: Simplify right side
    2,485,009.36x = 2,564,521,575,599.37
  5. Step 5: Solve for x
    x = 2,564,521,575,599.37/2,485,009.36
  6. Step 6: Final answer
    x = 1,031,996.75

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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.