Home / 4,988,765.17-7,480,821.43-2,591,965.45

Finding the Fourth Proportional to 4,988,765.17, 7,480,821.43 and 2,591,965.45

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Solution

The fourth proportional to 4,988,765.17, 7,480,821.43 and 2,591,965.45 is: 3,886,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,765.17 : 7,480,821.43 = 2,591,965.45 : x
  2. Step 2: Convert to fraction form
    4,988,765.17/7,480,821.43 = 2,591,965.45/x
  3. Step 3: Cross multiply
    4,988,765.17x = 7,480,821.43 × 2,591,965.45
  4. Step 4: Simplify right side
    4,988,765.17x = 19,390,030,684,179.59
  5. Step 5: Solve for x
    x = 19,390,030,684,179.59/4,988,765.17
  6. Step 6: Final answer
    x = 3,886,739.51

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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.