Home / 2,390,840.20-3,586,260.30-1,131,128.20

Finding the Fourth Proportional to 2,390,840.20, 3,586,260.30 and 1,131,128.20

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Solution

The fourth proportional to 2,390,840.20, 3,586,260.30 and 1,131,128.20 is: 1,696,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,840.20 : 3,586,260.30 = 1,131,128.20 : x
  2. Step 2: Convert to fraction form
    2,390,840.20/3,586,260.30 = 1,131,128.20/x
  3. Step 3: Cross multiply
    2,390,840.20x = 3,586,260.30 × 1,131,128.20
  4. Step 4: Simplify right side
    2,390,840.20x = 4,056,520,157,870.46
  5. Step 5: Solve for x
    x = 4,056,520,157,870.46/2,390,840.20
  6. Step 6: Final answer
    x = 1,696,692.30

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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.