Home / 3,115,206.90-4,672,810.35-1,317,624.12

Finding the Fourth Proportional to 3,115,206.90, 4,672,810.35 and 1,317,624.12

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Solution

The fourth proportional to 3,115,206.90, 4,672,810.35 and 1,317,624.12 is: 1,976,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,206.90 : 4,672,810.35 = 1,317,624.12 : x
  2. Step 2: Convert to fraction form
    3,115,206.90/4,672,810.35 = 1,317,624.12/x
  3. Step 3: Cross multiply
    3,115,206.90x = 4,672,810.35 × 1,317,624.12
  4. Step 4: Simplify right side
    3,115,206.90x = 6,157,007,625,345.64
  5. Step 5: Solve for x
    x = 6,157,007,625,345.64/3,115,206.90
  6. Step 6: Final answer
    x = 1,976,436.18

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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.