Home / 5,242,712.40-7,848,322.20-3,111,699.60

Finding the Fourth Proportional to 5,242,712.40, 7,848,322.20 and 3,111,699.60

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Solution

The fourth proportional to 5,242,712.40, 7,848,322.20 and 3,111,699.60 is: 4,658,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,712.40 : 7,848,322.20 = 3,111,699.60 : x
  2. Step 2: Convert to fraction form
    5,242,712.40/7,848,322.20 = 3,111,699.60/x
  3. Step 3: Cross multiply
    5,242,712.40x = 7,848,322.20 × 3,111,699.60
  4. Step 4: Simplify right side
    5,242,712.40x = 24,421,621,050,411.12
  5. Step 5: Solve for x
    x = 24,421,621,050,411.12/5,242,712.40
  6. Step 6: Final answer
    x = 4,658,203.46

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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.