Finding the Fourth Proportional to 5,328,365.28, 7,990,444.08 and 2,132,895.84
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Solution
The fourth proportional to 5,328,365.28, 7,990,444.08 and 2,132,895.84 is: 3,198,501.61
Step by Step Solution
- Step 1: Write the proportion equation
5,328,365.28 : 7,990,444.08 = 2,132,895.84 : x - Step 2: Convert to fraction form
5,328,365.28/7,990,444.08 = 2,132,895.84/x - Step 3: Cross multiply
5,328,365.28x = 7,990,444.08 × 2,132,895.84 - Step 4: Simplify right side
5,328,365.28x = 17,042,784,937,984.63 - Step 5: Solve for x
x = 17,042,784,937,984.63/5,328,365.28 - Step 6: Final answer
x = 3,198,501.61
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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.