Home / 5,100,500.25-7,038,690.35-2,808,655.47

Finding the Fourth Proportional to 5,100,500.25, 7,038,690.35 and 2,808,655.47

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Solution

The fourth proportional to 5,100,500.25, 7,038,690.35 and 2,808,655.47 is: 3,875,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,500.25 : 7,038,690.35 = 2,808,655.47 : x
  2. Step 2: Convert to fraction form
    5,100,500.25/7,038,690.35 = 2,808,655.47/x
  3. Step 3: Cross multiply
    5,100,500.25x = 7,038,690.35 × 2,808,655.47
  4. Step 4: Simplify right side
    5,100,500.25x = 19,769,256,139,120.44
  5. Step 5: Solve for x
    x = 19,769,256,139,120.44/5,100,500.25
  6. Step 6: Final answer
    x = 3,875,944.55

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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.