Home / 2,087,071.40-3,128,784.60-808,551.20

Finding the Fourth Proportional to 2,087,071.40, 3,128,784.60 and 808,551.20

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Solution

The fourth proportional to 2,087,071.40, 3,128,784.60 and 808,551.20 is: 1,212,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,071.40 : 3,128,784.60 = 808,551.20 : x
  2. Step 2: Convert to fraction form
    2,087,071.40/3,128,784.60 = 808,551.20/x
  3. Step 3: Cross multiply
    2,087,071.40x = 3,128,784.60 × 808,551.20
  4. Step 4: Simplify right side
    2,087,071.40x = 2,529,782,542,871.52
  5. Step 5: Solve for x
    x = 2,529,782,542,871.52/2,087,071.40
  6. Step 6: Final answer
    x = 1,212,120.75

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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.