Home / 6,321,510.80-9,478,426.34-2,478,729.28

Finding the Fourth Proportional to 6,321,510.80, 9,478,426.34 and 2,478,729.28

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Solution

The fourth proportional to 6,321,510.80, 9,478,426.34 and 2,478,729.28 is: 3,716,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,510.80 : 9,478,426.34 = 2,478,729.28 : x
  2. Step 2: Convert to fraction form
    6,321,510.80/9,478,426.34 = 2,478,729.28/x
  3. Step 3: Cross multiply
    6,321,510.80x = 9,478,426.34 × 2,478,729.28
  4. Step 4: Simplify right side
    6,321,510.80x = 23,494,452,897,281.23
  5. Step 5: Solve for x
    x = 23,494,452,897,281.23/6,321,510.80
  6. Step 6: Final answer
    x = 3,716,588.27

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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.