Finding the Fourth Proportional to 5,276,875.16, 7,282,114.70 and 2,984,986.64
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Solution
The fourth proportional to 5,276,875.16, 7,282,114.70 and 2,984,986.64 is: 4,119,296.82
Step by Step Solution
- Step 1: Write the proportion equation
5,276,875.16 : 7,282,114.70 = 2,984,986.64 : x - Step 2: Convert to fraction form
5,276,875.16/7,282,114.70 = 2,984,986.64/x - Step 3: Cross multiply
5,276,875.16x = 7,282,114.70 × 2,984,986.64 - Step 4: Simplify right side
5,276,875.16x = 21,737,015,090,447.61 - Step 5: Solve for x
x = 21,737,015,090,447.61/5,276,875.16 - Step 6: Final answer
x = 4,119,296.82
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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.