Home / 3,020,153.82-4,531,014.81-1,126,909.50

Finding the Fourth Proportional to 3,020,153.82, 4,531,014.81 and 1,126,909.50

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Solution

The fourth proportional to 3,020,153.82, 4,531,014.81 and 1,126,909.50 is: 1,690,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,153.82 : 4,531,014.81 = 1,126,909.50 : x
  2. Step 2: Convert to fraction form
    3,020,153.82/4,531,014.81 = 1,126,909.50/x
  3. Step 3: Cross multiply
    3,020,153.82x = 4,531,014.81 × 1,126,909.50
  4. Step 4: Simplify right side
    3,020,153.82x = 5,106,043,634,029.69
  5. Step 5: Solve for x
    x = 5,106,043,634,029.69/3,020,153.82
  6. Step 6: Final answer
    x = 1,690,656.81

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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.