Home / 1,919,024.42-2,647,143.50-1,239,960.92

Finding the Fourth Proportional to 1,919,024.42, 2,647,143.50 and 1,239,960.92

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Solution

The fourth proportional to 1,919,024.42, 2,647,143.50 and 1,239,960.92 is: 1,710,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,024.42 : 2,647,143.50 = 1,239,960.92 : x
  2. Step 2: Convert to fraction form
    1,919,024.42/2,647,143.50 = 1,239,960.92/x
  3. Step 3: Cross multiply
    1,919,024.42x = 2,647,143.50 × 1,239,960.92
  4. Step 4: Simplify right side
    1,919,024.42x = 3,282,354,470,196.50
  5. Step 5: Solve for x
    x = 3,282,354,470,196.50/1,919,024.42
  6. Step 6: Final answer
    x = 1,710,428.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.