Home / 3,105,193.80-4,657,790.70-975,493.20

Finding the Fourth Proportional to 3,105,193.80, 4,657,790.70 and 975,493.20

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Solution

The fourth proportional to 3,105,193.80, 4,657,790.70 and 975,493.20 is: 1,463,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,193.80 : 4,657,790.70 = 975,493.20 : x
  2. Step 2: Convert to fraction form
    3,105,193.80/4,657,790.70 = 975,493.20/x
  3. Step 3: Cross multiply
    3,105,193.80x = 4,657,790.70 × 975,493.20
  4. Step 4: Simplify right side
    3,105,193.80x = 4,543,643,154,873.24
  5. Step 5: Solve for x
    x = 4,543,643,154,873.24/3,105,193.80
  6. Step 6: Final answer
    x = 1,463,239.80

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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.