Home / 1,812,376.60-2,716,232.10-1,389,556.60

Finding the Fourth Proportional to 1,812,376.60, 2,716,232.10 and 1,389,556.60

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Solution

The fourth proportional to 1,812,376.60, 2,716,232.10 and 1,389,556.60 is: 2,082,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,376.60 : 2,716,232.10 = 1,389,556.60 : x
  2. Step 2: Convert to fraction form
    1,812,376.60/2,716,232.10 = 1,389,556.60/x
  3. Step 3: Cross multiply
    1,812,376.60x = 2,716,232.10 × 1,389,556.60
  4. Step 4: Simplify right side
    1,812,376.60x = 3,774,358,241,686.86
  5. Step 5: Solve for x
    x = 3,774,358,241,686.86/1,812,376.60
  6. Step 6: Final answer
    x = 2,082,546.33

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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.