Home / 1,986,384.36-2,977,232.40-848,813.88

Finding the Fourth Proportional to 1,986,384.36, 2,977,232.40 and 848,813.88

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Solution

The fourth proportional to 1,986,384.36, 2,977,232.40 and 848,813.88 is: 1,272,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,384.36 : 2,977,232.40 = 848,813.88 : x
  2. Step 2: Convert to fraction form
    1,986,384.36/2,977,232.40 = 848,813.88/x
  3. Step 3: Cross multiply
    1,986,384.36x = 2,977,232.40 × 848,813.88
  4. Step 4: Simplify right side
    1,986,384.36x = 2,527,116,185,105.71
  5. Step 5: Solve for x
    x = 2,527,116,185,105.71/1,986,384.36
  6. Step 6: Final answer
    x = 1,272,219.13

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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.