Home / 1,540,260.82-2,124,909.07-1,031,127.22

Finding the Fourth Proportional to 1,540,260.82, 2,124,909.07 and 1,031,127.22

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Solution

The fourth proportional to 1,540,260.82, 2,124,909.07 and 1,031,127.22 is: 1,422,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,260.82 : 2,124,909.07 = 1,031,127.22 : x
  2. Step 2: Convert to fraction form
    1,540,260.82/2,124,909.07 = 1,031,127.22/x
  3. Step 3: Cross multiply
    1,540,260.82x = 2,124,909.07 × 1,031,127.22
  4. Step 4: Simplify right side
    1,540,260.82x = 2,191,051,582,101.89
  5. Step 5: Solve for x
    x = 2,191,051,582,101.89/1,540,260.82
  6. Step 6: Final answer
    x = 1,422,519.84

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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.