Home / 2,978,102.16-4,465,607.76-1,461,121.20

Finding the Fourth Proportional to 2,978,102.16, 4,465,607.76 and 1,461,121.20

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Solution

The fourth proportional to 2,978,102.16, 4,465,607.76 and 1,461,121.20 is: 2,190,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,102.16 : 4,465,607.76 = 1,461,121.20 : x
  2. Step 2: Convert to fraction form
    2,978,102.16/4,465,607.76 = 1,461,121.20/x
  3. Step 3: Cross multiply
    2,978,102.16x = 4,465,607.76 × 1,461,121.20
  4. Step 4: Simplify right side
    2,978,102.16x = 6,524,794,169,020.51
  5. Step 5: Solve for x
    x = 6,524,794,169,020.51/2,978,102.16
  6. Step 6: Final answer
    x = 2,190,923.55

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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.