Home / 3,281,204.70-4,921,807.05-1,686,881.70

Finding the Fourth Proportional to 3,281,204.70, 4,921,807.05 and 1,686,881.70

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Solution

The fourth proportional to 3,281,204.70, 4,921,807.05 and 1,686,881.70 is: 2,530,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,204.70 : 4,921,807.05 = 1,686,881.70 : x
  2. Step 2: Convert to fraction form
    3,281,204.70/4,921,807.05 = 1,686,881.70/x
  3. Step 3: Cross multiply
    3,281,204.70x = 4,921,807.05 × 1,686,881.70
  4. Step 4: Simplify right side
    3,281,204.70x = 8,302,506,243,575.99
  5. Step 5: Solve for x
    x = 8,302,506,243,575.99/3,281,204.70
  6. Step 6: Final answer
    x = 2,530,322.55

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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.