Finding the Fourth Proportional to 1,577,877.18, 2,367,213.21 and 455,938.62
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Solution
The fourth proportional to 1,577,877.18, 2,367,213.21 and 455,938.62 is: 684,022.77
Step by Step Solution
- Step 1: Write the proportion equation
1,577,877.18 : 2,367,213.21 = 455,938.62 : x - Step 2: Convert to fraction form
1,577,877.18/2,367,213.21 = 455,938.62/x - Step 3: Cross multiply
1,577,877.18x = 2,367,213.21 × 455,938.62 - Step 4: Simplify right side
1,577,877.18x = 1,079,303,924,213.17 - Step 5: Solve for x
x = 1,079,303,924,213.17/1,577,877.18 - Step 6: Final answer
x = 684,022.77
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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.