Finding the Fourth Proportional to 1,548,607.22, 2,137,138.62 and 1,059,602.48
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Solution
The fourth proportional to 1,548,607.22, 2,137,138.62 and 1,059,602.48 is: 1,462,292.93
Step by Step Solution
- Step 1: Write the proportion equation
1,548,607.22 : 2,137,138.62 = 1,059,602.48 : x - Step 2: Convert to fraction form
1,548,607.22/2,137,138.62 = 1,059,602.48/x - Step 3: Cross multiply
1,548,607.22x = 2,137,138.62 × 1,059,602.48 - Step 4: Simplify right side
1,548,607.22x = 2,264,517,381,855.78 - Step 5: Solve for x
x = 2,264,517,381,855.78/1,548,607.22 - Step 6: Final answer
x = 1,462,292.93
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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.