Finding the Fourth Proportional to 5,910,321.74, 8,865,985.61 and 1,865,727.68
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Solution
The fourth proportional to 5,910,321.74, 8,865,985.61 and 1,865,727.68 is: 2,798,750.30
Step by Step Solution
- Step 1: Write the proportion equation
5,910,321.74 : 8,865,985.61 = 1,865,727.68 : x - Step 2: Convert to fraction form
5,910,321.74/8,865,985.61 = 1,865,727.68/x - Step 3: Cross multiply
5,910,321.74x = 8,865,985.61 × 1,865,727.68 - Step 4: Simplify right side
5,910,321.74x = 16,541,514,723,393.08 - Step 5: Solve for x
x = 16,541,514,723,393.08/5,910,321.74 - Step 6: Final answer
x = 2,798,750.30
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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.