Home / 2,657,328.68-3,980,000.23-1,234,390.34

Finding the Fourth Proportional to 2,657,328.68, 3,980,000.23 and 1,234,390.34

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Solution

The fourth proportional to 2,657,328.68, 3,980,000.23 and 1,234,390.34 is: 1,848,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,328.68 : 3,980,000.23 = 1,234,390.34 : x
  2. Step 2: Convert to fraction form
    2,657,328.68/3,980,000.23 = 1,234,390.34/x
  3. Step 3: Cross multiply
    2,657,328.68x = 3,980,000.23 × 1,234,390.34
  4. Step 4: Simplify right side
    2,657,328.68x = 4,912,873,843,973.80
  5. Step 5: Solve for x
    x = 4,912,873,843,973.80/2,657,328.68
  6. Step 6: Final answer
    x = 1,848,801.72

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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.