Home / 3,258,645.76-4,496,980.06-1,808,435.12

Finding the Fourth Proportional to 3,258,645.76, 4,496,980.06 and 1,808,435.12

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Solution

The fourth proportional to 3,258,645.76, 4,496,980.06 and 1,808,435.12 is: 2,495,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,645.76 : 4,496,980.06 = 1,808,435.12 : x
  2. Step 2: Convert to fraction form
    3,258,645.76/4,496,980.06 = 1,808,435.12/x
  3. Step 3: Cross multiply
    3,258,645.76x = 4,496,980.06 × 1,808,435.12
  4. Step 4: Simplify right side
    3,258,645.76x = 8,132,496,674,443.71
  5. Step 5: Solve for x
    x = 8,132,496,674,443.71/3,258,645.76
  6. Step 6: Final answer
    x = 2,495,667.61

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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.