Home / 2,104,000.40-3,156,000.60-684,102.80

Finding the Fourth Proportional to 2,104,000.40, 3,156,000.60 and 684,102.80

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Solution

The fourth proportional to 2,104,000.40, 3,156,000.60 and 684,102.80 is: 1,026,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,000.40 : 3,156,000.60 = 684,102.80 : x
  2. Step 2: Convert to fraction form
    2,104,000.40/3,156,000.60 = 684,102.80/x
  3. Step 3: Cross multiply
    2,104,000.40x = 3,156,000.60 × 684,102.80
  4. Step 4: Simplify right side
    2,104,000.40x = 2,159,028,847,261.68
  5. Step 5: Solve for x
    x = 2,159,028,847,261.68/2,104,000.40
  6. Step 6: Final answer
    x = 1,026,154.20

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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.