Home / 2,551,961.27-3,521,674.06-1,390,455.90

Finding the Fourth Proportional to 2,551,961.27, 3,521,674.06 and 1,390,455.90

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Solution

The fourth proportional to 2,551,961.27, 3,521,674.06 and 1,390,455.90 is: 1,918,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,961.27 : 3,521,674.06 = 1,390,455.90 : x
  2. Step 2: Convert to fraction form
    2,551,961.27/3,521,674.06 = 1,390,455.90/x
  3. Step 3: Cross multiply
    2,551,961.27x = 3,521,674.06 × 1,390,455.90
  4. Step 4: Simplify right side
    2,551,961.27x = 4,896,732,471,127.81
  5. Step 5: Solve for x
    x = 4,896,732,471,127.81/2,551,961.27
  6. Step 6: Final answer
    x = 1,918,811.43

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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.