Home / 1,618,987.78-2,234,145.27-893,820.70

Finding the Fourth Proportional to 1,618,987.78, 2,234,145.27 and 893,820.70

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Solution

The fourth proportional to 1,618,987.78, 2,234,145.27 and 893,820.70 is: 1,233,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,987.78 : 2,234,145.27 = 893,820.70 : x
  2. Step 2: Convert to fraction form
    1,618,987.78/2,234,145.27 = 893,820.70/x
  3. Step 3: Cross multiply
    1,618,987.78x = 2,234,145.27 × 893,820.70
  4. Step 4: Simplify right side
    1,618,987.78x = 1,996,925,289,133.09
  5. Step 5: Solve for x
    x = 1,996,925,289,133.09/1,618,987.78
  6. Step 6: Final answer
    x = 1,233,440.62

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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.