Home / 1,643,606.70-2,268,133.83-918,460.41

Finding the Fourth Proportional to 1,643,606.70, 2,268,133.83 and 918,460.41

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Solution

The fourth proportional to 1,643,606.70, 2,268,133.83 and 918,460.41 is: 1,267,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,606.70 : 2,268,133.83 = 918,460.41 : x
  2. Step 2: Convert to fraction form
    1,643,606.70/2,268,133.83 = 918,460.41/x
  3. Step 3: Cross multiply
    1,643,606.70x = 2,268,133.83 × 918,460.41
  4. Step 4: Simplify right side
    1,643,606.70x = 2,083,191,127,436.67
  5. Step 5: Solve for x
    x = 2,083,191,127,436.67/1,643,606.70
  6. Step 6: Final answer
    x = 1,267,451.10

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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.