Finding the Fourth Proportional to 2,165,282.97, 2,987,888.05 and 1,293,944.75
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Solution
The fourth proportional to 2,165,282.97, 2,987,888.05 and 1,293,944.75 is: 1,785,522.77
Step by Step Solution
- Step 1: Write the proportion equation
2,165,282.97 : 2,987,888.05 = 1,293,944.75 : x - Step 2: Convert to fraction form
2,165,282.97/2,987,888.05 = 1,293,944.75/x - Step 3: Cross multiply
2,165,282.97x = 2,987,888.05 × 1,293,944.75 - Step 4: Simplify right side
2,165,282.97x = 3,866,162,055,885.24 - Step 5: Solve for x
x = 3,866,162,055,885.24/2,165,282.97 - Step 6: Final answer
x = 1,785,522.77
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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.