Home / 1,899,693.60-2,847,121.20-776,493.60

Finding the Fourth Proportional to 1,899,693.60, 2,847,121.20 and 776,493.60

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Solution

The fourth proportional to 1,899,693.60, 2,847,121.20 and 776,493.60 is: 1,163,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,693.60 : 2,847,121.20 = 776,493.60 : x
  2. Step 2: Convert to fraction form
    1,899,693.60/2,847,121.20 = 776,493.60/x
  3. Step 3: Cross multiply
    1,899,693.60x = 2,847,121.20 × 776,493.60
  4. Step 4: Simplify right side
    1,899,693.60x = 2,210,771,390,224.32
  5. Step 5: Solve for x
    x = 2,210,771,390,224.32/1,899,693.60
  6. Step 6: Final answer
    x = 1,163,751.56

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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.