Home / 1,620,112.70-2,430,169.05-1,019,125.10

Finding the Fourth Proportional to 1,620,112.70, 2,430,169.05 and 1,019,125.10

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Solution

The fourth proportional to 1,620,112.70, 2,430,169.05 and 1,019,125.10 is: 1,528,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,112.70 : 2,430,169.05 = 1,019,125.10 : x
  2. Step 2: Convert to fraction form
    1,620,112.70/2,430,169.05 = 1,019,125.10/x
  3. Step 3: Cross multiply
    1,620,112.70x = 2,430,169.05 × 1,019,125.10
  4. Step 4: Simplify right side
    1,620,112.70x = 2,476,646,276,098.15
  5. Step 5: Solve for x
    x = 2,476,646,276,098.15/1,620,112.70
  6. Step 6: Final answer
    x = 1,528,687.65

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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.