Finding the Fourth Proportional to 2,525,689.64, 3,485,394.66 and 1,379,775.08
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Solution
The fourth proportional to 2,525,689.64, 3,485,394.66 and 1,379,775.08 is: 1,904,058.45
Step by Step Solution
- Step 1: Write the proportion equation
2,525,689.64 : 3,485,394.66 = 1,379,775.08 : x - Step 2: Convert to fraction form
2,525,689.64/3,485,394.66 = 1,379,775.08/x - Step 3: Cross multiply
2,525,689.64x = 3,485,394.66 × 1,379,775.08 - Step 4: Simplify right side
2,525,689.64x = 4,809,060,695,833.07 - Step 5: Solve for x
x = 4,809,060,695,833.07/2,525,689.64 - Step 6: Final answer
x = 1,904,058.45
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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.