Finding the Fourth Proportional to 6,143,724.96, 8,478,544.08 and 3,353,001.02
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Solution
The fourth proportional to 6,143,724.96, 8,478,544.08 and 3,353,001.02 is: 4,627,252.55
Step by Step Solution
- Step 1: Write the proportion equation
6,143,724.96 : 8,478,544.08 = 3,353,001.02 : x - Step 2: Convert to fraction form
6,143,724.96/8,478,544.08 = 3,353,001.02/x - Step 3: Cross multiply
6,143,724.96x = 8,478,544.08 × 3,353,001.02 - Step 4: Simplify right side
6,143,724.96x = 28,428,566,976,804.56 - Step 5: Solve for x
x = 28,428,566,976,804.56/6,143,724.96 - Step 6: Final answer
x = 4,627,252.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.