Finding the Fourth Proportional to 5,515,007.04, 8,272,973.61 and 1,676,862.79
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Solution
The fourth proportional to 5,515,007.04, 8,272,973.61 and 1,676,862.79 is: 2,515,434.98
Step by Step Solution
- Step 1: Write the proportion equation
5,515,007.04 : 8,272,973.61 = 1,676,862.79 : x - Step 2: Convert to fraction form
5,515,007.04/8,272,973.61 = 1,676,862.79/x - Step 3: Cross multiply
5,515,007.04x = 8,272,973.61 × 1,676,862.79 - Step 4: Simplify right side
5,515,007.04x = 13,872,641,609,260.97 - Step 5: Solve for x
x = 13,872,641,609,260.97/5,515,007.04 - Step 6: Final answer
x = 2,515,434.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.