Home / 1,926,904.80-2,658,648.24-1,111,357.92

Finding the Fourth Proportional to 1,926,904.80, 2,658,648.24 and 1,111,357.92

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Solution

The fourth proportional to 1,926,904.80, 2,658,648.24 and 1,111,357.92 is: 1,533,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,904.80 : 2,658,648.24 = 1,111,357.92 : x
  2. Step 2: Convert to fraction form
    1,926,904.80/2,658,648.24 = 1,111,357.92/x
  3. Step 3: Cross multiply
    1,926,904.80x = 2,658,648.24 × 1,111,357.92
  4. Step 4: Simplify right side
    1,926,904.80x = 2,954,709,778,018.06
  5. Step 5: Solve for x
    x = 2,954,709,778,018.06/1,926,904.80
  6. Step 6: Final answer
    x = 1,533,396.86

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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.