Home / 3,185,509.50-4,395,878.79-1,947,193.02

Finding the Fourth Proportional to 3,185,509.50, 4,395,878.79 and 1,947,193.02

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Solution

The fourth proportional to 3,185,509.50, 4,395,878.79 and 1,947,193.02 is: 2,687,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,509.50 : 4,395,878.79 = 1,947,193.02 : x
  2. Step 2: Convert to fraction form
    3,185,509.50/4,395,878.79 = 1,947,193.02/x
  3. Step 3: Cross multiply
    3,185,509.50x = 4,395,878.79 × 1,947,193.02
  4. Step 4: Simplify right side
    3,185,509.50x = 8,559,624,496,654.05
  5. Step 5: Solve for x
    x = 8,559,624,496,654.05/3,185,509.50
  6. Step 6: Final answer
    x = 2,687,050.38

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1.5x scale

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.