Finding the Fourth Proportional to 2,268,733.14, 3,130,930.89 and 1,236,325.95
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Solution
The fourth proportional to 2,268,733.14, 3,130,930.89 and 1,236,325.95 is: 1,706,172.95
Step by Step Solution
- Step 1: Write the proportion equation
2,268,733.14 : 3,130,930.89 = 1,236,325.95 : x - Step 2: Convert to fraction form
2,268,733.14/3,130,930.89 = 1,236,325.95/x - Step 3: Cross multiply
2,268,733.14x = 3,130,930.89 × 1,236,325.95 - Step 4: Simplify right side
2,268,733.14x = 3,870,851,106,963.60 - Step 5: Solve for x
x = 3,870,851,106,963.60/2,268,733.14 - Step 6: Final answer
x = 1,706,172.95
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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.