Home / 1,660,661.10-2,489,436.45-1,300,632.30

Finding the Fourth Proportional to 1,660,661.10, 2,489,436.45 and 1,300,632.30

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Solution

The fourth proportional to 1,660,661.10, 2,489,436.45 and 1,300,632.30 is: 1,949,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,661.10 : 2,489,436.45 = 1,300,632.30 : x
  2. Step 2: Convert to fraction form
    1,660,661.10/2,489,436.45 = 1,300,632.30/x
  3. Step 3: Cross multiply
    1,660,661.10x = 2,489,436.45 × 1,300,632.30
  4. Step 4: Simplify right side
    1,660,661.10x = 3,237,841,455,667.34
  5. Step 5: Solve for x
    x = 3,237,841,455,667.34/1,660,661.10
  6. Step 6: Final answer
    x = 1,949,730.41

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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.