Home / 4,739,709.60-7,109,564.40-4,403,786.40

Finding the Fourth Proportional to 4,739,709.60, 7,109,564.40 and 4,403,786.40

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Solution

The fourth proportional to 4,739,709.60, 7,109,564.40 and 4,403,786.40 is: 6,605,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,709.60 : 7,109,564.40 = 4,403,786.40 : x
  2. Step 2: Convert to fraction form
    4,739,709.60/7,109,564.40 = 4,403,786.40/x
  3. Step 3: Cross multiply
    4,739,709.60x = 7,109,564.40 × 4,403,786.40
  4. Step 4: Simplify right side
    4,739,709.60x = 31,309,003,014,644.16
  5. Step 5: Solve for x
    x = 31,309,003,014,644.16/4,739,709.60
  6. Step 6: Final answer
    x = 6,605,679.60

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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.