Home / 2,102,023.80-3,151,869.30-903,742.20

Finding the Fourth Proportional to 2,102,023.80, 3,151,869.30 and 903,742.20

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Solution

The fourth proportional to 2,102,023.80, 3,151,869.30 and 903,742.20 is: 1,355,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,023.80 : 3,151,869.30 = 903,742.20 : x
  2. Step 2: Convert to fraction form
    2,102,023.80/3,151,869.30 = 903,742.20/x
  3. Step 3: Cross multiply
    2,102,023.80x = 3,151,869.30 × 903,742.20
  4. Step 4: Simplify right side
    2,102,023.80x = 2,848,477,295,294.46
  5. Step 5: Solve for x
    x = 2,848,477,295,294.46/2,102,023.80
  6. Step 6: Final answer
    x = 1,355,111.82

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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.