Home / 1,840,407.36-2,539,171.44-1,115,023.20

Finding the Fourth Proportional to 1,840,407.36, 2,539,171.44 and 1,115,023.20

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Solution

The fourth proportional to 1,840,407.36, 2,539,171.44 and 1,115,023.20 is: 1,538,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,407.36 : 2,539,171.44 = 1,115,023.20 : x
  2. Step 2: Convert to fraction form
    1,840,407.36/2,539,171.44 = 1,115,023.20/x
  3. Step 3: Cross multiply
    1,840,407.36x = 2,539,171.44 × 1,115,023.20
  4. Step 4: Simplify right side
    1,840,407.36x = 2,831,235,064,377.41
  5. Step 5: Solve for x
    x = 2,831,235,064,377.41/1,840,407.36
  6. Step 6: Final answer
    x = 1,538,374.13

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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.