Home / 1,927,406.91-2,889,075.88-646,800.17

Finding the Fourth Proportional to 1,927,406.91, 2,889,075.88 and 646,800.17

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Solution

The fourth proportional to 1,927,406.91, 2,889,075.88 and 646,800.17 is: 969,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,406.91 : 2,889,075.88 = 646,800.17 : x
  2. Step 2: Convert to fraction form
    1,927,406.91/2,889,075.88 = 646,800.17/x
  3. Step 3: Cross multiply
    1,927,406.91x = 2,889,075.88 × 646,800.17
  4. Step 4: Simplify right side
    1,927,406.91x = 1,868,654,771,121.95
  5. Step 5: Solve for x
    x = 1,868,654,771,121.95/1,927,406.91
  6. Step 6: Final answer
    x = 969,517.52

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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.