Home / 1,970,728.37-2,719,609.08-1,065,310.37

Finding the Fourth Proportional to 1,970,728.37, 2,719,609.08 and 1,065,310.37

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Solution

The fourth proportional to 1,970,728.37, 2,719,609.08 and 1,065,310.37 is: 1,470,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,728.37 : 2,719,609.08 = 1,065,310.37 : x
  2. Step 2: Convert to fraction form
    1,970,728.37/2,719,609.08 = 1,065,310.37/x
  3. Step 3: Cross multiply
    1,970,728.37x = 2,719,609.08 × 1,065,310.37
  4. Step 4: Simplify right side
    1,970,728.37x = 2,897,227,755,270.16
  5. Step 5: Solve for x
    x = 2,897,227,755,270.16/1,970,728.37
  6. Step 6: Final answer
    x = 1,470,130.43

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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.