Home / 2,739,219.20-4,108,828.80-717,459.20

Finding the Fourth Proportional to 2,739,219.20, 4,108,828.80 and 717,459.20

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Solution

The fourth proportional to 2,739,219.20, 4,108,828.80 and 717,459.20 is: 1,076,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,219.20 : 4,108,828.80 = 717,459.20 : x
  2. Step 2: Convert to fraction form
    2,739,219.20/4,108,828.80 = 717,459.20/x
  3. Step 3: Cross multiply
    2,739,219.20x = 4,108,828.80 × 717,459.20
  4. Step 4: Simplify right side
    2,739,219.20x = 2,947,917,023,784.96
  5. Step 5: Solve for x
    x = 2,947,917,023,784.96/2,739,219.20
  6. Step 6: Final answer
    x = 1,076,188.80

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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.