Home / 6,782,068.36-10,173,198.27-1,989,856.57

Finding the Fourth Proportional to 6,782,068.36, 10,173,198.27 and 1,989,856.57

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Solution

The fourth proportional to 6,782,068.36, 10,173,198.27 and 1,989,856.57 is: 2,984,812.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,068.36 : 10,173,198.27 = 1,989,856.57 : x
  2. Step 2: Convert to fraction form
    6,782,068.36/10,173,198.27 = 1,989,856.57/x
  3. Step 3: Cross multiply
    6,782,068.36x = 10,173,198.27 × 1,989,856.57
  4. Step 4: Simplify right side
    6,782,068.36x = 20,243,205,415,472.13
  5. Step 5: Solve for x
    x = 20,243,205,415,472.13/6,782,068.36
  6. Step 6: Final answer
    x = 2,984,812.94

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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.