Finding the Fourth Proportional to 2,154,007.24, 2,972,478.80 and 1,173,977.23
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Solution
The fourth proportional to 2,154,007.24, 2,972,478.80 and 1,173,977.23 is: 1,620,060.68
Step by Step Solution
- Step 1: Write the proportion equation
2,154,007.24 : 2,972,478.80 = 1,173,977.23 : x - Step 2: Convert to fraction form
2,154,007.24/2,972,478.80 = 1,173,977.23/x - Step 3: Cross multiply
2,154,007.24x = 2,972,478.80 × 1,173,977.23 - Step 4: Simplify right side
2,154,007.24x = 3,489,622,427,857.72 - Step 5: Solve for x
x = 3,489,622,427,857.72/2,154,007.24 - Step 6: Final answer
x = 1,620,060.68
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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.