Home / 1,919,129.40-2,877,381.90-908,735.40

Finding the Fourth Proportional to 1,919,129.40, 2,877,381.90 and 908,735.40

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Solution

The fourth proportional to 1,919,129.40, 2,877,381.90 and 908,735.40 is: 1,362,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,129.40 : 2,877,381.90 = 908,735.40 : x
  2. Step 2: Convert to fraction form
    1,919,129.40/2,877,381.90 = 908,735.40/x
  3. Step 3: Cross multiply
    1,919,129.40x = 2,877,381.90 × 908,735.40
  4. Step 4: Simplify right side
    1,919,129.40x = 2,614,778,791,849.26
  5. Step 5: Solve for x
    x = 2,614,778,791,849.26/1,919,129.40
  6. Step 6: Final answer
    x = 1,362,481.75

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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.