Home / 2,157,521.67-3,235,441.32-808,947.81

Finding the Fourth Proportional to 2,157,521.67, 3,235,441.32 and 808,947.81

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Solution

The fourth proportional to 2,157,521.67, 3,235,441.32 and 808,947.81 is: 1,213,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,521.67 : 3,235,441.32 = 808,947.81 : x
  2. Step 2: Convert to fraction form
    2,157,521.67/3,235,441.32 = 808,947.81/x
  3. Step 3: Cross multiply
    2,157,521.67x = 3,235,441.32 × 808,947.81
  4. Step 4: Simplify right side
    2,157,521.67x = 2,617,303,170,197.51
  5. Step 5: Solve for x
    x = 2,617,303,170,197.51/2,157,521.67
  6. Step 6: Final answer
    x = 1,213,106.32

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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.