Home / 2,155,019.40-3,232,917.90-1,087,374.60

Finding the Fourth Proportional to 2,155,019.40, 3,232,917.90 and 1,087,374.60

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Solution

The fourth proportional to 2,155,019.40, 3,232,917.90 and 1,087,374.60 is: 1,631,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,019.40 : 3,232,917.90 = 1,087,374.60 : x
  2. Step 2: Convert to fraction form
    2,155,019.40/3,232,917.90 = 1,087,374.60/x
  3. Step 3: Cross multiply
    2,155,019.40x = 3,232,917.90 × 1,087,374.60
  4. Step 4: Simplify right side
    2,155,019.40x = 3,515,392,808,345.34
  5. Step 5: Solve for x
    x = 3,515,392,808,345.34/2,155,019.40
  6. Step 6: Final answer
    x = 1,631,258.08

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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.