Home / 3,862,500.80-5,330,143.64-2,120,168.93

Finding the Fourth Proportional to 3,862,500.80, 5,330,143.64 and 2,120,168.93

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Solution

The fourth proportional to 3,862,500.80, 5,330,143.64 and 2,120,168.93 is: 2,925,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,500.80 : 5,330,143.64 = 2,120,168.93 : x
  2. Step 2: Convert to fraction form
    3,862,500.80/5,330,143.64 = 2,120,168.93/x
  3. Step 3: Cross multiply
    3,862,500.80x = 5,330,143.64 × 2,120,168.93
  4. Step 4: Simplify right side
    3,862,500.80x = 11,300,804,916,614.81
  5. Step 5: Solve for x
    x = 11,300,804,916,614.81/3,862,500.80
  6. Step 6: Final answer
    x = 2,925,774.13

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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.