Finding the Fourth Proportional to 3,898,359.98, 5,838,456.63 and 3,790,740.14
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Solution
The fourth proportional to 3,898,359.98, 5,838,456.63 and 3,790,740.14 is: 5,677,277.63
Step by Step Solution
- Step 1: Write the proportion equation
3,898,359.98 : 5,838,456.63 = 3,790,740.14 : x - Step 2: Convert to fraction form
3,898,359.98/5,838,456.63 = 3,790,740.14/x - Step 3: Cross multiply
3,898,359.98x = 5,838,456.63 × 3,790,740.14 - Step 4: Simplify right side
3,898,359.98x = 22,132,071,902,990.13 - Step 5: Solve for x
x = 22,132,071,902,990.13/3,898,359.98 - Step 6: Final answer
x = 5,677,277.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.