Home / 1,530,668.24-2,111,615.42-986,978.68

Finding the Fourth Proportional to 1,530,668.24, 2,111,615.42 and 986,978.68

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Solution

The fourth proportional to 1,530,668.24, 2,111,615.42 and 986,978.68 is: 1,361,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,668.24 : 2,111,615.42 = 986,978.68 : x
  2. Step 2: Convert to fraction form
    1,530,668.24/2,111,615.42 = 986,978.68/x
  3. Step 3: Cross multiply
    1,530,668.24x = 2,111,615.42 × 986,978.68
  4. Step 4: Simplify right side
    1,530,668.24x = 2,084,119,399,899.25
  5. Step 5: Solve for x
    x = 2,084,119,399,899.25/1,530,668.24
  6. Step 6: Final answer
    x = 1,361,574.86

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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.