Finding the Fourth Proportional to 1,617,373.24, 2,427,553.86 and 819,215.30
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Solution
The fourth proportional to 1,617,373.24, 2,427,553.86 and 819,215.30 is: 1,229,579.68
Step by Step Solution
- Step 1: Write the proportion equation
1,617,373.24 : 2,427,553.86 = 819,215.30 : x - Step 2: Convert to fraction form
1,617,373.24/2,427,553.86 = 819,215.30/x - Step 3: Cross multiply
1,617,373.24x = 2,427,553.86 × 819,215.30 - Step 4: Simplify right side
1,617,373.24x = 1,988,689,263,686.06 - Step 5: Solve for x
x = 1,988,689,263,686.06/1,617,373.24 - Step 6: Final answer
x = 1,229,579.68
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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.