Finding the Fourth Proportional to 5,148,678.92, 7,724,267.00 and 1,554,231.16
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Solution
The fourth proportional to 5,148,678.92, 7,724,267.00 and 1,554,231.16 is: 2,331,723.65
Step by Step Solution
- Step 1: Write the proportion equation
5,148,678.92 : 7,724,267.00 = 1,554,231.16 : x - Step 2: Convert to fraction form
5,148,678.92/7,724,267.00 = 1,554,231.16/x - Step 3: Cross multiply
5,148,678.92x = 7,724,267.00 × 1,554,231.16 - Step 4: Simplify right side
5,148,678.92x = 12,005,296,413,167.23 - Step 5: Solve for x
x = 12,005,296,413,167.23/5,148,678.92 - Step 6: Final answer
x = 2,331,723.65
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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.