Finding the Fourth Proportional to 2,135,359.95, 2,946,796.62 and 1,168,490.36
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Solution
The fourth proportional to 2,135,359.95, 2,946,796.62 and 1,168,490.36 is: 1,612,516.63
Step by Step Solution
- Step 1: Write the proportion equation
2,135,359.95 : 2,946,796.62 = 1,168,490.36 : x - Step 2: Convert to fraction form
2,135,359.95/2,946,796.62 = 1,168,490.36/x - Step 3: Cross multiply
2,135,359.95x = 2,946,796.62 × 1,168,490.36 - Step 4: Simplify right side
2,135,359.95x = 3,443,303,428,616.60 - Step 5: Solve for x
x = 3,443,303,428,616.60/2,135,359.95 - Step 6: Final answer
x = 1,612,516.63
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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.