Finding the Fourth Proportional to 6,872,302.09, 9,482,638.98 and 3,971,963.04
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Solution
The fourth proportional to 6,872,302.09, 9,482,638.98 and 3,971,963.04 is: 5,480,651.32
Step by Step Solution
- Step 1: Write the proportion equation
6,872,302.09 : 9,482,638.98 = 3,971,963.04 : x - Step 2: Convert to fraction form
6,872,302.09/9,482,638.98 = 3,971,963.04/x - Step 3: Cross multiply
6,872,302.09x = 9,482,638.98 × 3,971,963.04 - Step 4: Simplify right side
6,872,302.09x = 37,664,691,550,223.30 - Step 5: Solve for x
x = 37,664,691,550,223.30/6,872,302.09 - Step 6: Final answer
x = 5,480,651.32
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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.