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Finding the Fourth Proportional to 2,848,409.12, 3,930,809.56 and 1,559,250.32

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Solution

The fourth proportional to 2,848,409.12, 3,930,809.56 and 1,559,250.32 is: 2,151,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,409.12 : 3,930,809.56 = 1,559,250.32 : x
  2. Step 2: Convert to fraction form
    2,848,409.12/3,930,809.56 = 1,559,250.32/x
  3. Step 3: Cross multiply
    2,848,409.12x = 3,930,809.56 × 1,559,250.32
  4. Step 4: Simplify right side
    2,848,409.12x = 6,129,116,064,289.06
  5. Step 5: Solve for x
    x = 6,129,116,064,289.06/2,848,409.12
  6. Step 6: Final answer
    x = 2,151,768.16

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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.