Finding the Fourth Proportional to 1,758,166.60, 2,637,249.90 and 1,687,307.80
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Solution
The fourth proportional to 1,758,166.60, 2,637,249.90 and 1,687,307.80 is: 2,530,961.70
Step by Step Solution
- Step 1: Write the proportion equation
1,758,166.60 : 2,637,249.90 = 1,687,307.80 : x - Step 2: Convert to fraction form
1,758,166.60/2,637,249.90 = 1,687,307.80/x - Step 3: Cross multiply
1,758,166.60x = 2,637,249.90 × 1,687,307.80 - Step 4: Simplify right side
1,758,166.60x = 4,449,852,326,819.22 - Step 5: Solve for x
x = 4,449,852,326,819.22/1,758,166.60 - Step 6: Final answer
x = 2,530,961.70
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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.