Home / 2,087,422.40-3,130,146.60-808,628.84

Finding the Fourth Proportional to 2,087,422.40, 3,130,146.60 and 808,628.84

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Solution

The fourth proportional to 2,087,422.40, 3,130,146.60 and 808,628.84 is: 1,212,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,422.40 : 3,130,146.60 = 808,628.84 : x
  2. Step 2: Convert to fraction form
    2,087,422.40/3,130,146.60 = 808,628.84/x
  3. Step 3: Cross multiply
    2,087,422.40x = 3,130,146.60 × 808,628.84
  4. Step 4: Simplify right side
    2,087,422.40x = 2,531,126,814,187.94
  5. Step 5: Solve for x
    x = 2,531,126,814,187.94/2,087,422.40
  6. Step 6: Final answer
    x = 1,212,560.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.