Finding the Fourth Proportional to 2,067,355.12, 2,852,952.42 and 1,149,564.56
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Solution
The fourth proportional to 2,067,355.12, 2,852,952.42 and 1,149,564.56 is: 1,586,400.40
Step by Step Solution
- Step 1: Write the proportion equation
2,067,355.12 : 2,852,952.42 = 1,149,564.56 : x - Step 2: Convert to fraction form
2,067,355.12/2,852,952.42 = 1,149,564.56/x - Step 3: Cross multiply
2,067,355.12x = 2,852,952.42 × 1,149,564.56 - Step 4: Simplify right side
2,067,355.12x = 3,279,652,993,398.24 - Step 5: Solve for x
x = 3,279,652,993,398.24/2,067,355.12 - Step 6: Final answer
x = 1,586,400.40
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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.