Home / 3,021,431.12-4,529,927.28-1,423,093.76

Finding the Fourth Proportional to 3,021,431.12, 4,529,927.28 and 1,423,093.76

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Solution

The fourth proportional to 3,021,431.12, 4,529,927.28 and 1,423,093.76 is: 2,133,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,431.12 : 4,529,927.28 = 1,423,093.76 : x
  2. Step 2: Convert to fraction form
    3,021,431.12/4,529,927.28 = 1,423,093.76/x
  3. Step 3: Cross multiply
    3,021,431.12x = 4,529,927.28 × 1,423,093.76
  4. Step 4: Simplify right side
    3,021,431.12x = 6,446,511,245,421.77
  5. Step 5: Solve for x
    x = 6,446,511,245,421.77/3,021,431.12
  6. Step 6: Final answer
    x = 2,133,595.30

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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.