Home / 2,898,110.40-4,347,165.60-768,409.80

Finding the Fourth Proportional to 2,898,110.40, 4,347,165.60 and 768,409.80

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Solution

The fourth proportional to 2,898,110.40, 4,347,165.60 and 768,409.80 is: 1,152,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,110.40 : 4,347,165.60 = 768,409.80 : x
  2. Step 2: Convert to fraction form
    2,898,110.40/4,347,165.60 = 768,409.80/x
  3. Step 3: Cross multiply
    2,898,110.40x = 4,347,165.60 × 768,409.80
  4. Step 4: Simplify right side
    2,898,110.40x = 3,340,404,649,262.88
  5. Step 5: Solve for x
    x = 3,340,404,649,262.88/2,898,110.40
  6. Step 6: Final answer
    x = 1,152,614.70

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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.