Finding the Fourth Proportional to 5,643,733.98, 7,788,455.51 and 3,196,853.09
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Solution
The fourth proportional to 5,643,733.98, 7,788,455.51 and 3,196,853.09 is: 4,411,715.39
Step by Step Solution
- Step 1: Write the proportion equation
5,643,733.98 : 7,788,455.51 = 3,196,853.09 : x - Step 2: Convert to fraction form
5,643,733.98/7,788,455.51 = 3,196,853.09/x - Step 3: Cross multiply
5,643,733.98x = 7,788,455.51 × 3,196,853.09 - Step 4: Simplify right side
5,643,733.98x = 24,898,548,063,471.02 - Step 5: Solve for x
x = 24,898,548,063,471.02/5,643,733.98 - Step 6: Final answer
x = 4,411,715.39
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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.