Home / 2,225,808.21-3,071,336.07-1,320,215.25

Finding the Fourth Proportional to 2,225,808.21, 3,071,336.07 and 1,320,215.25

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Solution

The fourth proportional to 2,225,808.21, 3,071,336.07 and 1,320,215.25 is: 1,821,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,808.21 : 3,071,336.07 = 1,320,215.25 : x
  2. Step 2: Convert to fraction form
    2,225,808.21/3,071,336.07 = 1,320,215.25/x
  3. Step 3: Cross multiply
    2,225,808.21x = 3,071,336.07 × 1,320,215.25
  4. Step 4: Simplify right side
    2,225,808.21x = 4,054,824,717,489.07
  5. Step 5: Solve for x
    x = 4,054,824,717,489.07/2,225,808.21
  6. Step 6: Final answer
    x = 1,821,731.40

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1.5x scale

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.