Home / 3,155,905.66-4,355,169.78-1,705,597.69

Finding the Fourth Proportional to 3,155,905.66, 4,355,169.78 and 1,705,597.69

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Solution

The fourth proportional to 3,155,905.66, 4,355,169.78 and 1,705,597.69 is: 2,353,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,905.66 : 4,355,169.78 = 1,705,597.69 : x
  2. Step 2: Convert to fraction form
    3,155,905.66/4,355,169.78 = 1,705,597.69/x
  3. Step 3: Cross multiply
    3,155,905.66x = 4,355,169.78 × 1,705,597.69
  4. Step 4: Simplify right side
    3,155,905.66x = 7,428,167,516,325.81
  5. Step 5: Solve for x
    x = 7,428,167,516,325.81/3,155,905.66
  6. Step 6: Final answer
    x = 2,353,735.60

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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.