Home / 2,969,620.80-4,463,762.40-2,913,633.60

Finding the Fourth Proportional to 2,969,620.80, 4,463,762.40 and 2,913,633.60

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Solution

The fourth proportional to 2,969,620.80, 4,463,762.40 and 2,913,633.60 is: 4,379,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,620.80 : 4,463,762.40 = 2,913,633.60 : x
  2. Step 2: Convert to fraction form
    2,969,620.80/4,463,762.40 = 2,913,633.60/x
  3. Step 3: Cross multiply
    2,969,620.80x = 4,463,762.40 × 2,913,633.60
  4. Step 4: Simplify right side
    2,969,620.80x = 13,005,768,111,056.64
  5. Step 5: Solve for x
    x = 13,005,768,111,056.64/2,969,620.80
  6. Step 6: Final answer
    x = 4,379,605.68

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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.