Home / 3,621,373.47-4,997,929.88-2,171,866.35

Finding the Fourth Proportional to 3,621,373.47, 4,997,929.88 and 2,171,866.35

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Solution

The fourth proportional to 3,621,373.47, 4,997,929.88 and 2,171,866.35 is: 2,997,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,373.47 : 4,997,929.88 = 2,171,866.35 : x
  2. Step 2: Convert to fraction form
    3,621,373.47/4,997,929.88 = 2,171,866.35/x
  3. Step 3: Cross multiply
    3,621,373.47x = 4,997,929.88 × 2,171,866.35
  4. Step 4: Simplify right side
    3,621,373.47x = 10,854,835,715,172.21
  5. Step 5: Solve for x
    x = 10,854,835,715,172.21/3,621,373.47
  6. Step 6: Final answer
    x = 2,997,436.14

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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.