Home / 1,909,115.92-2,634,556.35-1,049,668.66

Finding the Fourth Proportional to 1,909,115.92, 2,634,556.35 and 1,049,668.66

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Solution

The fourth proportional to 1,909,115.92, 2,634,556.35 and 1,049,668.66 is: 1,448,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,115.92 : 2,634,556.35 = 1,049,668.66 : x
  2. Step 2: Convert to fraction form
    1,909,115.92/2,634,556.35 = 1,049,668.66/x
  3. Step 3: Cross multiply
    1,909,115.92x = 2,634,556.35 × 1,049,668.66
  4. Step 4: Simplify right side
    1,909,115.92x = 2,765,411,233,598.99
  5. Step 5: Solve for x
    x = 2,765,411,233,598.99/1,909,115.92
  6. Step 6: Final answer
    x = 1,448,529.76

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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.