Home / 2,720,750.20-4,080,995.70-923,457.40

Finding the Fourth Proportional to 2,720,750.20, 4,080,995.70 and 923,457.40

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Solution

The fourth proportional to 2,720,750.20, 4,080,995.70 and 923,457.40 is: 1,385,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,750.20 : 4,080,995.70 = 923,457.40 : x
  2. Step 2: Convert to fraction form
    2,720,750.20/4,080,995.70 = 923,457.40/x
  3. Step 3: Cross multiply
    2,720,750.20x = 4,080,995.70 × 923,457.40
  4. Step 4: Simplify right side
    2,720,750.20x = 3,768,625,678,533.18
  5. Step 5: Solve for x
    x = 3,768,625,678,533.18/2,720,750.20
  6. Step 6: Final answer
    x = 1,385,142.11

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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.