Home / 5,370,612.13-8,055,699.72-1,326,998.12

Finding the Fourth Proportional to 5,370,612.13, 8,055,699.72 and 1,326,998.12

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Solution

The fourth proportional to 5,370,612.13, 8,055,699.72 and 1,326,998.12 is: 1,990,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370,612.13 : 8,055,699.72 = 1,326,998.12 : x
  2. Step 2: Convert to fraction form
    5,370,612.13/8,055,699.72 = 1,326,998.12/x
  3. Step 3: Cross multiply
    5,370,612.13x = 8,055,699.72 × 1,326,998.12
  4. Step 4: Simplify right side
    5,370,612.13x = 10,689,898,383,724.53
  5. Step 5: Solve for x
    x = 10,689,898,383,724.53/5,370,612.13
  6. Step 6: Final answer
    x = 1,990,443.20

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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.