Home / 1,533,148.38-2,100,420.78-1,475,685.87

Finding the Fourth Proportional to 1,533,148.38, 2,100,420.78 and 1,475,685.87

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Solution

The fourth proportional to 1,533,148.38, 2,100,420.78 and 1,475,685.87 is: 2,021,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,148.38 : 2,100,420.78 = 1,475,685.87 : x
  2. Step 2: Convert to fraction form
    1,533,148.38/2,100,420.78 = 1,475,685.87/x
  3. Step 3: Cross multiply
    1,533,148.38x = 2,100,420.78 × 1,475,685.87
  4. Step 4: Simplify right side
    1,533,148.38x = 3,099,561,266,100.38
  5. Step 5: Solve for x
    x = 3,099,561,266,100.38/1,533,148.38
  6. Step 6: Final answer
    x = 2,021,696.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.