Finding the Fourth Proportional to 5,283,840.36, 7,291,727.64 and 2,960,737.80
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Solution
The fourth proportional to 5,283,840.36, 7,291,727.64 and 2,960,737.80 is: 4,085,833.82
Step by Step Solution
- Step 1: Write the proportion equation
5,283,840.36 : 7,291,727.64 = 2,960,737.80 : x - Step 2: Convert to fraction form
5,283,840.36/7,291,727.64 = 2,960,737.80/x - Step 3: Cross multiply
5,283,840.36x = 7,291,727.64 × 2,960,737.80 - Step 4: Simplify right side
5,283,840.36x = 21,588,893,651,052.79 - Step 5: Solve for x
x = 21,588,893,651,052.79/5,283,840.36 - Step 6: Final answer
x = 4,085,833.82
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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.