Home / 4,520,719.15-6,781,134.76-1,325,911.28

Finding the Fourth Proportional to 4,520,719.15, 6,781,134.76 and 1,325,911.28

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Solution

The fourth proportional to 4,520,719.15, 6,781,134.76 and 1,325,911.28 is: 1,988,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520,719.15 : 6,781,134.76 = 1,325,911.28 : x
  2. Step 2: Convert to fraction form
    4,520,719.15/6,781,134.76 = 1,325,911.28/x
  3. Step 3: Cross multiply
    4,520,719.15x = 6,781,134.76 × 1,325,911.28
  4. Step 4: Simplify right side
    4,520,719.15x = 8,991,183,032,263.64
  5. Step 5: Solve for x
    x = 8,991,183,032,263.64/4,520,719.15
  6. Step 6: Final answer
    x = 1,988,883.35

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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.