Home / 2,000,385.20-2,999,921.70-738,048.80

Finding the Fourth Proportional to 2,000,385.20, 2,999,921.70 and 738,048.80

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Solution

The fourth proportional to 2,000,385.20, 2,999,921.70 and 738,048.80 is: 1,106,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,385.20 : 2,999,921.70 = 738,048.80 : x
  2. Step 2: Convert to fraction form
    2,000,385.20/2,999,921.70 = 738,048.80/x
  3. Step 3: Cross multiply
    2,000,385.20x = 2,999,921.70 × 738,048.80
  4. Step 4: Simplify right side
    2,000,385.20x = 2,214,088,610,778.96
  5. Step 5: Solve for x
    x = 2,214,088,610,778.96/2,000,385.20
  6. Step 6: Final answer
    x = 1,106,831.13

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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.