Home / 6,718,764-10,078,182.91-1,670,074.50

Finding the Fourth Proportional to 6,718,764, 10,078,182.91 and 1,670,074.50

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Solution

The fourth proportional to 6,718,764, 10,078,182.91 and 1,670,074.50 is: 2,505,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,764 : 10,078,182.91 = 1,670,074.50 : x
  2. Step 2: Convert to fraction form
    6,718,764/10,078,182.91 = 1,670,074.50/x
  3. Step 3: Cross multiply
    6,718,764x = 10,078,182.91 × 1,670,074.50
  4. Step 4: Simplify right side
    6,718,764x = 16,831,316,284,326.79
  5. Step 5: Solve for x
    x = 16,831,316,284,326.79/6,718,764
  6. Step 6: Final answer
    x = 2,505,120.92

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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.