Home / 1,871,514.30-2,807,271.45-1,635,318.30

Finding the Fourth Proportional to 1,871,514.30, 2,807,271.45 and 1,635,318.30

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Solution

The fourth proportional to 1,871,514.30, 2,807,271.45 and 1,635,318.30 is: 2,452,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,514.30 : 2,807,271.45 = 1,635,318.30 : x
  2. Step 2: Convert to fraction form
    1,871,514.30/2,807,271.45 = 1,635,318.30/x
  3. Step 3: Cross multiply
    1,871,514.30x = 2,807,271.45 × 1,635,318.30
  4. Step 4: Simplify right side
    1,871,514.30x = 4,590,782,375,252.54
  5. Step 5: Solve for x
    x = 4,590,782,375,252.54/1,871,514.30
  6. Step 6: Final answer
    x = 2,452,977.45

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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.