Home / 3,621,374.47-4,997,931.26-2,171,867.35

Finding the Fourth Proportional to 3,621,374.47, 4,997,931.26 and 2,171,867.35

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Solution

The fourth proportional to 3,621,374.47, 4,997,931.26 and 2,171,867.35 is: 2,997,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,374.47 : 4,997,931.26 = 2,171,867.35 : x
  2. Step 2: Convert to fraction form
    3,621,374.47/4,997,931.26 = 2,171,867.35/x
  3. Step 3: Cross multiply
    3,621,374.47x = 4,997,931.26 × 2,171,867.35
  4. Step 4: Simplify right side
    3,621,374.47x = 10,854,843,721,138.36
  5. Step 5: Solve for x
    x = 10,854,843,721,138.36/3,621,374.47
  6. Step 6: Final answer
    x = 2,997,437.52

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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.