Finding the Fourth Proportional to 4,026,888.29, 5,557,172.73 and 2,191,423.94
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Solution
The fourth proportional to 4,026,888.29, 5,557,172.73 and 2,191,423.94 is: 3,024,201.44
Step by Step Solution
- Step 1: Write the proportion equation
4,026,888.29 : 5,557,172.73 = 2,191,423.94 : x - Step 2: Convert to fraction form
4,026,888.29/5,557,172.73 = 2,191,423.94/x - Step 3: Cross multiply
4,026,888.29x = 5,557,172.73 × 2,191,423.94 - Step 4: Simplify right side
4,026,888.29x = 12,178,121,331,451.29 - Step 5: Solve for x
x = 12,178,121,331,451.29/4,026,888.29 - Step 6: Final answer
x = 3,024,201.44
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1.5x scale
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.