Home / 6,789,120.64-10,182,920.64-1,740,549.76

Finding the Fourth Proportional to 6,789,120.64, 10,182,920.64 and 1,740,549.76

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Solution

The fourth proportional to 6,789,120.64, 10,182,920.64 and 1,740,549.76 is: 2,610,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,120.64 : 10,182,920.64 = 1,740,549.76 : x
  2. Step 2: Convert to fraction form
    6,789,120.64/10,182,920.64 = 1,740,549.76/x
  3. Step 3: Cross multiply
    6,789,120.64x = 10,182,920.64 × 1,740,549.76
  4. Step 4: Simplify right side
    6,789,120.64x = 17,723,880,076,051.05
  5. Step 5: Solve for x
    x = 17,723,880,076,051.05/6,789,120.64
  6. Step 6: Final answer
    x = 2,610,629.71

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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.