Finding the Fourth Proportional to 5,646,411.68, 7,791,911.28 and 3,165,467.96
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Solution
The fourth proportional to 5,646,411.68, 7,791,911.28 and 3,165,467.96 is: 4,368,269.07
Step by Step Solution
- Step 1: Write the proportion equation
5,646,411.68 : 7,791,911.28 = 3,165,467.96 : x - Step 2: Convert to fraction form
5,646,411.68/7,791,911.28 = 3,165,467.96/x - Step 3: Cross multiply
5,646,411.68x = 7,791,911.28 × 3,165,467.96 - Step 4: Simplify right side
5,646,411.68x = 24,665,045,504,002.59 - Step 5: Solve for x
x = 24,665,045,504,002.59/5,646,411.68 - Step 6: Final answer
x = 4,368,269.07
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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.