Home / 5,905,419.50-8,149,479.02-3,189,165.50

Finding the Fourth Proportional to 5,905,419.50, 8,149,479.02 and 3,189,165.50

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Solution

The fourth proportional to 5,905,419.50, 8,149,479.02 and 3,189,165.50 is: 4,401,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905,419.50 : 8,149,479.02 = 3,189,165.50 : x
  2. Step 2: Convert to fraction form
    5,905,419.50/8,149,479.02 = 3,189,165.50/x
  3. Step 3: Cross multiply
    5,905,419.50x = 8,149,479.02 × 3,189,165.50
  4. Step 4: Simplify right side
    5,905,419.50x = 25,990,037,333,557.81
  5. Step 5: Solve for x
    x = 25,990,037,333,557.81/5,905,419.50
  6. Step 6: Final answer
    x = 4,401,048.45

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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.