Home / 2,019,428.70-3,027,636.45-1,220,541.90

Finding the Fourth Proportional to 2,019,428.70, 3,027,636.45 and 1,220,541.90

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Solution

The fourth proportional to 2,019,428.70, 3,027,636.45 and 1,220,541.90 is: 1,829,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,428.70 : 3,027,636.45 = 1,220,541.90 : x
  2. Step 2: Convert to fraction form
    2,019,428.70/3,027,636.45 = 1,220,541.90/x
  3. Step 3: Cross multiply
    2,019,428.70x = 3,027,636.45 × 1,220,541.90
  4. Step 4: Simplify right side
    2,019,428.70x = 3,695,357,145,192.26
  5. Step 5: Solve for x
    x = 3,695,357,145,192.26/2,019,428.70
  6. Step 6: Final answer
    x = 1,829,902.26

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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.