Home / 3,687,038.45-5,088,134.81-2,139,221.75

Finding the Fourth Proportional to 3,687,038.45, 5,088,134.81 and 2,139,221.75

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Solution

The fourth proportional to 3,687,038.45, 5,088,134.81 and 2,139,221.75 is: 2,952,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,038.45 : 5,088,134.81 = 2,139,221.75 : x
  2. Step 2: Convert to fraction form
    3,687,038.45/5,088,134.81 = 2,139,221.75/x
  3. Step 3: Cross multiply
    3,687,038.45x = 5,088,134.81 × 2,139,221.75
  4. Step 4: Simplify right side
    3,687,038.45x = 10,884,648,670,552.51
  5. Step 5: Solve for x
    x = 10,884,648,670,552.51/3,687,038.45
  6. Step 6: Final answer
    x = 2,952,138.64

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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.