Home / 1,921,938.60-2,882,907.90-502,138.20

Finding the Fourth Proportional to 1,921,938.60, 2,882,907.90 and 502,138.20

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Solution

The fourth proportional to 1,921,938.60, 2,882,907.90 and 502,138.20 is: 753,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,938.60 : 2,882,907.90 = 502,138.20 : x
  2. Step 2: Convert to fraction form
    1,921,938.60/2,882,907.90 = 502,138.20/x
  3. Step 3: Cross multiply
    1,921,938.60x = 2,882,907.90 × 502,138.20
  4. Step 4: Simplify right side
    1,921,938.60x = 1,447,618,183,671.78
  5. Step 5: Solve for x
    x = 1,447,618,183,671.78/1,921,938.60
  6. Step 6: Final answer
    x = 753,207.30

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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.