Home / 5,347,145.12-8,021,191.20-1,509,001.76

Finding the Fourth Proportional to 5,347,145.12, 8,021,191.20 and 1,509,001.76

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Solution

The fourth proportional to 5,347,145.12, 8,021,191.20 and 1,509,001.76 is: 2,263,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,145.12 : 8,021,191.20 = 1,509,001.76 : x
  2. Step 2: Convert to fraction form
    5,347,145.12/8,021,191.20 = 1,509,001.76/x
  3. Step 3: Cross multiply
    5,347,145.12x = 8,021,191.20 × 1,509,001.76
  4. Step 4: Simplify right side
    5,347,145.12x = 12,103,991,638,096.51
  5. Step 5: Solve for x
    x = 12,103,991,638,096.51/5,347,145.12
  6. Step 6: Final answer
    x = 2,263,636.27

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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.