Home / 5,173,816.66-7,139,941.23-2,969,038.78

Finding the Fourth Proportional to 5,173,816.66, 7,139,941.23 and 2,969,038.78

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Solution

The fourth proportional to 5,173,816.66, 7,139,941.23 and 2,969,038.78 is: 4,097,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,816.66 : 7,139,941.23 = 2,969,038.78 : x
  2. Step 2: Convert to fraction form
    5,173,816.66/7,139,941.23 = 2,969,038.78/x
  3. Step 3: Cross multiply
    5,173,816.66x = 7,139,941.23 × 2,969,038.78
  4. Step 4: Simplify right side
    5,173,816.66x = 21,198,762,398,790.90
  5. Step 5: Solve for x
    x = 21,198,762,398,790.90/5,173,816.66
  6. Step 6: Final answer
    x = 4,097,316.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.