Home / 1,515,498.24-2,090,453.56-1,080,056.56

Finding the Fourth Proportional to 1,515,498.24, 2,090,453.56 and 1,080,056.56

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Solution

The fourth proportional to 1,515,498.24, 2,090,453.56 and 1,080,056.56 is: 1,489,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,498.24 : 2,090,453.56 = 1,080,056.56 : x
  2. Step 2: Convert to fraction form
    1,515,498.24/2,090,453.56 = 1,080,056.56/x
  3. Step 3: Cross multiply
    1,515,498.24x = 2,090,453.56 × 1,080,056.56
  4. Step 4: Simplify right side
    1,515,498.24x = 2,257,808,080,853.35
  5. Step 5: Solve for x
    x = 2,257,808,080,853.35/1,515,498.24
  6. Step 6: Final answer
    x = 1,489,812.41

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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.