Finding the Fourth Proportional to 2,374,055.66, 3,276,198.08 and 1,286,328.11
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Solution
The fourth proportional to 2,374,055.66, 3,276,198.08 and 1,286,328.11 is: 1,775,133.47
Step by Step Solution
- Step 1: Write the proportion equation
2,374,055.66 : 3,276,198.08 = 1,286,328.11 : x - Step 2: Convert to fraction form
2,374,055.66/3,276,198.08 = 1,286,328.11/x - Step 3: Cross multiply
2,374,055.66x = 3,276,198.08 × 1,286,328.11 - Step 4: Simplify right side
2,374,055.66x = 4,214,265,661,419.40 - Step 5: Solve for x
x = 4,214,265,661,419.40/2,374,055.66 - Step 6: Final answer
x = 1,775,133.47
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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.