Home / 3,438,485.89-4,745,010.15-1,968,345.70

Finding the Fourth Proportional to 3,438,485.89, 4,745,010.15 and 1,968,345.70

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Solution

The fourth proportional to 3,438,485.89, 4,745,010.15 and 1,968,345.70 is: 2,716,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,485.89 : 4,745,010.15 = 1,968,345.70 : x
  2. Step 2: Convert to fraction form
    3,438,485.89/4,745,010.15 = 1,968,345.70/x
  3. Step 3: Cross multiply
    3,438,485.89x = 4,745,010.15 × 1,968,345.70
  4. Step 4: Simplify right side
    3,438,485.89x = 9,339,820,325,208.86
  5. Step 5: Solve for x
    x = 9,339,820,325,208.86/3,438,485.89
  6. Step 6: Final answer
    x = 2,716,259.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.