Home / 1,937,670.78-2,906,514.01-784,939.15

Finding the Fourth Proportional to 1,937,670.78, 2,906,514.01 and 784,939.15

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Solution

The fourth proportional to 1,937,670.78, 2,906,514.01 and 784,939.15 is: 1,177,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,670.78 : 2,906,514.01 = 784,939.15 : x
  2. Step 2: Convert to fraction form
    1,937,670.78/2,906,514.01 = 784,939.15/x
  3. Step 3: Cross multiply
    1,937,670.78x = 2,906,514.01 × 784,939.15
  4. Step 4: Simplify right side
    1,937,670.78x = 2,281,436,636,472.49
  5. Step 5: Solve for x
    x = 2,281,436,636,472.49/1,937,670.78
  6. Step 6: Final answer
    x = 1,177,411.90

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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.