Home / 1,586,678.76-2,380,101.26-1,208,193.12

Finding the Fourth Proportional to 1,586,678.76, 2,380,101.26 and 1,208,193.12

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Solution

The fourth proportional to 1,586,678.76, 2,380,101.26 and 1,208,193.12 is: 1,812,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,678.76 : 2,380,101.26 = 1,208,193.12 : x
  2. Step 2: Convert to fraction form
    1,586,678.76/2,380,101.26 = 1,208,193.12/x
  3. Step 3: Cross multiply
    1,586,678.76x = 2,380,101.26 × 1,208,193.12
  4. Step 4: Simplify right side
    1,586,678.76x = 2,875,621,961,194.37
  5. Step 5: Solve for x
    x = 2,875,621,961,194.37/1,586,678.76
  6. Step 6: Final answer
    x = 1,812,352.97

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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.