Home / 5,100,347.25-7,038,479.21-2,808,502.47

Finding the Fourth Proportional to 5,100,347.25, 7,038,479.21 and 2,808,502.47

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Solution

The fourth proportional to 5,100,347.25, 7,038,479.21 and 2,808,502.47 is: 3,875,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,347.25 : 7,038,479.21 = 2,808,502.47 : x
  2. Step 2: Convert to fraction form
    5,100,347.25/7,038,479.21 = 2,808,502.47/x
  3. Step 3: Cross multiply
    5,100,347.25x = 7,038,479.21 × 2,808,502.47
  4. Step 4: Simplify right side
    5,100,347.25x = 19,767,586,232,286.14
  5. Step 5: Solve for x
    x = 19,767,586,232,286.14/5,100,347.25
  6. Step 6: Final answer
    x = 3,875,733.41

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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.