Home / 6,520,848.90-9,781,705.35-1,728,471.30

Finding the Fourth Proportional to 6,520,848.90, 9,781,705.35 and 1,728,471.30

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Solution

The fourth proportional to 6,520,848.90, 9,781,705.35 and 1,728,471.30 is: 2,592,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,848.90 : 9,781,705.35 = 1,728,471.30 : x
  2. Step 2: Convert to fraction form
    6,520,848.90/9,781,705.35 = 1,728,471.30/x
  3. Step 3: Cross multiply
    6,520,848.90x = 9,781,705.35 × 1,728,471.30
  4. Step 4: Simplify right side
    6,520,848.90x = 16,907,396,962,531.46
  5. Step 5: Solve for x
    x = 16,907,396,962,531.46/6,520,848.90
  6. Step 6: Final answer
    x = 2,592,821.46

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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.