Home / 2,131,422.56-2,941,328.40-1,164,532.08

Finding the Fourth Proportional to 2,131,422.56, 2,941,328.40 and 1,164,532.08

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Solution

The fourth proportional to 2,131,422.56, 2,941,328.40 and 1,164,532.08 is: 1,607,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,422.56 : 2,941,328.40 = 1,164,532.08 : x
  2. Step 2: Convert to fraction form
    2,131,422.56/2,941,328.40 = 1,164,532.08/x
  3. Step 3: Cross multiply
    2,131,422.56x = 2,941,328.40 × 1,164,532.08
  4. Step 4: Simplify right side
    2,131,422.56x = 3,425,271,279,615.07
  5. Step 5: Solve for x
    x = 3,425,271,279,615.07/2,131,422.56
  6. Step 6: Final answer
    x = 1,607,035.29

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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.