Home / 5,064,285.28-6,989,378.96-2,888,329.63

Finding the Fourth Proportional to 5,064,285.28, 6,989,378.96 and 2,888,329.63

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Solution

The fourth proportional to 5,064,285.28, 6,989,378.96 and 2,888,329.63 is: 3,986,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064,285.28 : 6,989,378.96 = 2,888,329.63 : x
  2. Step 2: Convert to fraction form
    5,064,285.28/6,989,378.96 = 2,888,329.63/x
  3. Step 3: Cross multiply
    5,064,285.28x = 6,989,378.96 × 2,888,329.63
  4. Step 4: Simplify right side
    5,064,285.28x = 20,187,630,296,078.04
  5. Step 5: Solve for x
    x = 20,187,630,296,078.04/5,064,285.28
  6. Step 6: Final answer
    x = 3,986,274.31

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1.5x scale

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.