Home / 1,643,196.70-2,460,129.45-1,266,838.30

Finding the Fourth Proportional to 1,643,196.70, 2,460,129.45 and 1,266,838.30

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Solution

The fourth proportional to 1,643,196.70, 2,460,129.45 and 1,266,838.30 is: 1,896,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,196.70 : 2,460,129.45 = 1,266,838.30 : x
  2. Step 2: Convert to fraction form
    1,643,196.70/2,460,129.45 = 1,266,838.30/x
  3. Step 3: Cross multiply
    1,643,196.70x = 2,460,129.45 × 1,266,838.30
  4. Step 4: Simplify right side
    1,643,196.70x = 3,116,586,210,217.94
  5. Step 5: Solve for x
    x = 3,116,586,210,217.94/1,643,196.70
  6. Step 6: Final answer
    x = 1,896,660.46

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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.