Home / 3,749,967.05-5,175,060.77-2,118,443.45

Finding the Fourth Proportional to 3,749,967.05, 5,175,060.77 and 2,118,443.45

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Solution

The fourth proportional to 3,749,967.05, 5,175,060.77 and 2,118,443.45 is: 2,923,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,967.05 : 5,175,060.77 = 2,118,443.45 : x
  2. Step 2: Convert to fraction form
    3,749,967.05/5,175,060.77 = 2,118,443.45/x
  3. Step 3: Cross multiply
    3,749,967.05x = 5,175,060.77 × 2,118,443.45
  4. Step 4: Simplify right side
    3,749,967.05x = 10,963,073,570,979.26
  5. Step 5: Solve for x
    x = 10,963,073,570,979.26/3,749,967.05
  6. Step 6: Final answer
    x = 2,923,511.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.