Finding the Fourth Proportional to 5,276,456.19, 7,912,666.73 and 2,879,019.41
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Solution
The fourth proportional to 5,276,456.19, 7,912,666.73 and 2,879,019.41 is: 4,317,428.26
Step by Step Solution
- Step 1: Write the proportion equation
5,276,456.19 : 7,912,666.73 = 2,879,019.41 : x - Step 2: Convert to fraction form
5,276,456.19/7,912,666.73 = 2,879,019.41/x - Step 3: Cross multiply
5,276,456.19x = 7,912,666.73 × 2,879,019.41 - Step 4: Simplify right side
5,276,456.19x = 22,780,721,046,572.80 - Step 5: Solve for x
x = 22,780,721,046,572.80/5,276,456.19 - Step 6: Final answer
x = 4,317,428.26
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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.