Home / 6,840,722.40-10,254,315.60-3,240,160.80

Finding the Fourth Proportional to 6,840,722.40, 10,254,315.60 and 3,240,160.80

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Solution

The fourth proportional to 6,840,722.40, 10,254,315.60 and 3,240,160.80 is: 4,857,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,722.40 : 10,254,315.60 = 3,240,160.80 : x
  2. Step 2: Convert to fraction form
    6,840,722.40/10,254,315.60 = 3,240,160.80/x
  3. Step 3: Cross multiply
    6,840,722.40x = 10,254,315.60 × 3,240,160.80
  4. Step 4: Simplify right side
    6,840,722.40x = 33,225,631,437,948.48
  5. Step 5: Solve for x
    x = 33,225,631,437,948.48/6,840,722.40
  6. Step 6: Final answer
    x = 4,857,035.48

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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.