Finding the Fourth Proportional to 4,092,780.88, 6,138,124.12 and 1,213,474.42
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Solution
The fourth proportional to 4,092,780.88, 6,138,124.12 and 1,213,474.42 is: 1,819,901.14
Step by Step Solution
- Step 1: Write the proportion equation
4,092,780.88 : 6,138,124.12 = 1,213,474.42 : x - Step 2: Convert to fraction form
4,092,780.88/6,138,124.12 = 1,213,474.42/x - Step 3: Cross multiply
4,092,780.88x = 6,138,124.12 × 1,213,474.42 - Step 4: Simplify right side
4,092,780.88x = 7,448,456,606,405.01 - Step 5: Solve for x
x = 7,448,456,606,405.01/4,092,780.88 - Step 6: Final answer
x = 1,819,901.14
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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.