Home / 1,918,116.78-2,877,174.36-570,273.54

Finding the Fourth Proportional to 1,918,116.78, 2,877,174.36 and 570,273.54

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Solution

The fourth proportional to 1,918,116.78, 2,877,174.36 and 570,273.54 is: 855,410.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,116.78 : 2,877,174.36 = 570,273.54 : x
  2. Step 2: Convert to fraction form
    1,918,116.78/2,877,174.36 = 570,273.54/x
  3. Step 3: Cross multiply
    1,918,116.78x = 2,877,174.36 × 570,273.54
  4. Step 4: Simplify right side
    1,918,116.78x = 1,640,776,407,474.43
  5. Step 5: Solve for x
    x = 1,640,776,407,474.43/1,918,116.78
  6. Step 6: Final answer
    x = 855,410.07

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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.