Finding the Fourth Proportional to 5,411,674.51, 8,117,890.68 and 2,173,211.98
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Solution
The fourth proportional to 5,411,674.51, 8,117,890.68 and 2,173,211.98 is: 3,259,970.13
Step by Step Solution
- Step 1: Write the proportion equation
5,411,674.51 : 8,117,890.68 = 2,173,211.98 : x - Step 2: Convert to fraction form
5,411,674.51/8,117,890.68 = 2,173,211.98/x - Step 3: Cross multiply
5,411,674.51x = 8,117,890.68 × 2,173,211.98 - Step 4: Simplify right side
5,411,674.51x = 17,641,897,265,961.16 - Step 5: Solve for x
x = 17,641,897,265,961.16/5,411,674.51 - Step 6: Final answer
x = 3,259,970.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.