Home / 6,782,071.86-10,173,203.52-1,989,860.07

Finding the Fourth Proportional to 6,782,071.86, 10,173,203.52 and 1,989,860.07

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Solution

The fourth proportional to 6,782,071.86, 10,173,203.52 and 1,989,860.07 is: 2,984,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,071.86 : 10,173,203.52 = 1,989,860.07 : x
  2. Step 2: Convert to fraction form
    6,782,071.86/10,173,203.52 = 1,989,860.07/x
  3. Step 3: Cross multiply
    6,782,071.86x = 10,173,203.52 × 1,989,860.07
  4. Step 4: Simplify right side
    6,782,071.86x = 20,243,251,468,431.45
  5. Step 5: Solve for x
    x = 20,243,251,468,431.45/6,782,071.86
  6. Step 6: Final answer
    x = 2,984,818.19

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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.