Home / 2,081,396.20-3,117,428.70-1,708,148.20

Finding the Fourth Proportional to 2,081,396.20, 3,117,428.70 and 1,708,148.20

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Solution

The fourth proportional to 2,081,396.20, 3,117,428.70 and 1,708,148.20 is: 2,558,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,396.20 : 3,117,428.70 = 1,708,148.20 : x
  2. Step 2: Convert to fraction form
    2,081,396.20/3,117,428.70 = 1,708,148.20/x
  3. Step 3: Cross multiply
    2,081,396.20x = 3,117,428.70 × 1,708,148.20
  4. Step 4: Simplify right side
    2,081,396.20x = 5,325,030,222,533.34
  5. Step 5: Solve for x
    x = 5,325,030,222,533.34/2,081,396.20
  6. Step 6: Final answer
    x = 2,558,393.36

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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.