Home / 2,157,313.26-3,235,128.90-808,740.03

Finding the Fourth Proportional to 2,157,313.26, 3,235,128.90 and 808,740.03

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Solution

The fourth proportional to 2,157,313.26, 3,235,128.90 and 808,740.03 is: 1,212,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,313.26 : 3,235,128.90 = 808,740.03 : x
  2. Step 2: Convert to fraction form
    2,157,313.26/3,235,128.90 = 808,740.03/x
  3. Step 3: Cross multiply
    2,157,313.26x = 3,235,128.90 × 808,740.03
  4. Step 4: Simplify right side
    2,157,313.26x = 2,616,378,243,639.87
  5. Step 5: Solve for x
    x = 2,616,378,243,639.87/2,157,313.26
  6. Step 6: Final answer
    x = 1,212,794.77

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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.