Home / 6,518,944.80-9,778,368.60-1,969,984.80

Finding the Fourth Proportional to 6,518,944.80, 9,778,368.60 and 1,969,984.80

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Solution

The fourth proportional to 6,518,944.80, 9,778,368.60 and 1,969,984.80 is: 2,954,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,944.80 : 9,778,368.60 = 1,969,984.80 : x
  2. Step 2: Convert to fraction form
    6,518,944.80/9,778,368.60 = 1,969,984.80/x
  3. Step 3: Cross multiply
    6,518,944.80x = 9,778,368.60 × 1,969,984.80
  4. Step 4: Simplify right side
    6,518,944.80x = 19,263,237,510,797.28
  5. Step 5: Solve for x
    x = 19,263,237,510,797.28/6,518,944.80
  6. Step 6: Final answer
    x = 2,954,962.51

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1.5x scale

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.