Finding the Fourth Proportional to 3,994,511.87, 5,991,811.55 and 1,154,648.63
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Solution
The fourth proportional to 3,994,511.87, 5,991,811.55 and 1,154,648.63 is: 1,731,985.59
Step by Step Solution
- Step 1: Write the proportion equation
3,994,511.87 : 5,991,811.55 = 1,154,648.63 : x - Step 2: Convert to fraction form
3,994,511.87/5,991,811.55 = 1,154,648.63/x - Step 3: Cross multiply
3,994,511.87x = 5,991,811.55 × 1,154,648.63 - Step 4: Simplify right side
3,994,511.87x = 6,918,436,997,425.68 - Step 5: Solve for x
x = 6,918,436,997,425.68/3,994,511.87 - Step 6: Final answer
x = 1,731,985.59
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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.