Finding the Fourth Proportional to 2,163,625.20, 2,985,602.40 and 1,196,734.68
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Solution
The fourth proportional to 2,163,625.20, 2,985,602.40 and 1,196,734.68 is: 1,651,383.02
Step by Step Solution
- Step 1: Write the proportion equation
2,163,625.20 : 2,985,602.40 = 1,196,734.68 : x - Step 2: Convert to fraction form
2,163,625.20/2,985,602.40 = 1,196,734.68/x - Step 3: Cross multiply
2,163,625.20x = 2,985,602.40 × 1,196,734.68 - Step 4: Simplify right side
2,163,625.20x = 3,572,973,917,843.22 - Step 5: Solve for x
x = 3,572,973,917,843.22/2,163,625.20 - Step 6: Final answer
x = 1,651,383.02
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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.