Home / 1,851,435.56-2,776,973.52-1,256,221.64

Finding the Fourth Proportional to 1,851,435.56, 2,776,973.52 and 1,256,221.64

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Solution

The fourth proportional to 1,851,435.56, 2,776,973.52 and 1,256,221.64 is: 1,884,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,435.56 : 2,776,973.52 = 1,256,221.64 : x
  2. Step 2: Convert to fraction form
    1,851,435.56/2,776,973.52 = 1,256,221.64/x
  3. Step 3: Cross multiply
    1,851,435.56x = 2,776,973.52 × 1,256,221.64
  4. Step 4: Simplify right side
    1,851,435.56x = 3,488,494,229,530.97
  5. Step 5: Solve for x
    x = 3,488,494,229,530.97/1,851,435.56
  6. Step 6: Final answer
    x = 1,884,210.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.