Home / 2,130,263.60-3,193,840.20-867,441.20

Finding the Fourth Proportional to 2,130,263.60, 3,193,840.20 and 867,441.20

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Solution

The fourth proportional to 2,130,263.60, 3,193,840.20 and 867,441.20 is: 1,300,528.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,263.60 : 3,193,840.20 = 867,441.20 : x
  2. Step 2: Convert to fraction form
    2,130,263.60/3,193,840.20 = 867,441.20/x
  3. Step 3: Cross multiply
    2,130,263.60x = 3,193,840.20 × 867,441.20
  4. Step 4: Simplify right side
    2,130,263.60x = 2,770,468,575,696.24
  5. Step 5: Solve for x
    x = 2,770,468,575,696.24/2,130,263.60
  6. Step 6: Final answer
    x = 1,300,528.52

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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.