Home / 3,119,715.60-4,680,448.20-1,323,459.60

Finding the Fourth Proportional to 3,119,715.60, 4,680,448.20 and 1,323,459.60

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Solution

The fourth proportional to 3,119,715.60, 4,680,448.20 and 1,323,459.60 is: 1,985,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,715.60 : 4,680,448.20 = 1,323,459.60 : x
  2. Step 2: Convert to fraction form
    3,119,715.60/4,680,448.20 = 1,323,459.60/x
  3. Step 3: Cross multiply
    3,119,715.60x = 4,680,448.20 × 1,323,459.60
  4. Step 4: Simplify right side
    3,119,715.60x = 6,194,384,102,592.72
  5. Step 5: Solve for x
    x = 6,194,384,102,592.72/3,119,715.60
  6. Step 6: Final answer
    x = 1,985,560.51

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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.