Home / 2,101,806-2,900,495.64-1,196,388.08

Finding the Fourth Proportional to 2,101,806, 2,900,495.64 and 1,196,388.08

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Solution

The fourth proportional to 2,101,806, 2,900,495.64 and 1,196,388.08 is: 1,651,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,806 : 2,900,495.64 = 1,196,388.08 : x
  2. Step 2: Convert to fraction form
    2,101,806/2,900,495.64 = 1,196,388.08/x
  3. Step 3: Cross multiply
    2,101,806x = 2,900,495.64 × 1,196,388.08
  4. Step 4: Simplify right side
    2,101,806x = 3,470,118,409,787.97
  5. Step 5: Solve for x
    x = 3,470,118,409,787.97/2,101,806
  6. Step 6: Final answer
    x = 1,651,017.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.