Home / 1,919,138.40-2,877,395.40-908,744.40

Finding the Fourth Proportional to 1,919,138.40, 2,877,395.40 and 908,744.40

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Solution

The fourth proportional to 1,919,138.40, 2,877,395.40 and 908,744.40 is: 1,362,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,138.40 : 2,877,395.40 = 908,744.40 : x
  2. Step 2: Convert to fraction form
    1,919,138.40/2,877,395.40 = 908,744.40/x
  3. Step 3: Cross multiply
    1,919,138.40x = 2,877,395.40 × 908,744.40
  4. Step 4: Simplify right side
    1,919,138.40x = 2,614,816,956,335.76
  5. Step 5: Solve for x
    x = 2,614,816,956,335.76/1,919,138.40
  6. Step 6: Final answer
    x = 1,362,495.25

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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.