Finding the Fourth Proportional to 4,374,941.60, 6,564,380.70 and 1,977,552.20
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Solution
The fourth proportional to 4,374,941.60, 6,564,380.70 and 1,977,552.20 is: 2,967,218.01
Step by Step Solution
- Step 1: Write the proportion equation
4,374,941.60 : 6,564,380.70 = 1,977,552.20 : x - Step 2: Convert to fraction form
4,374,941.60/6,564,380.70 = 1,977,552.20/x - Step 3: Cross multiply
4,374,941.60x = 6,564,380.70 × 1,977,552.20 - Step 4: Simplify right side
4,374,941.60x = 12,981,405,494,922.54 - Step 5: Solve for x
x = 12,981,405,494,922.54/4,374,941.60 - Step 6: Final answer
x = 2,967,218.01
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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.