Home / 2,768,002.88-4,151,647.20-874,935.68

Finding the Fourth Proportional to 2,768,002.88, 4,151,647.20 and 874,935.68

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Solution

The fourth proportional to 2,768,002.88, 4,151,647.20 and 874,935.68 is: 1,312,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,002.88 : 4,151,647.20 = 874,935.68 : x
  2. Step 2: Convert to fraction form
    2,768,002.88/4,151,647.20 = 874,935.68/x
  3. Step 3: Cross multiply
    2,768,002.88x = 4,151,647.20 × 874,935.68
  4. Step 4: Simplify right side
    2,768,002.88x = 3,632,424,266,052.10
  5. Step 5: Solve for x
    x = 3,632,424,266,052.10/2,768,002.88
  6. Step 6: Final answer
    x = 1,312,290.64

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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.