Finding the Fourth Proportional to 5,352,736.37, 7,386,578.22 and 2,905,294.74
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Solution
The fourth proportional to 5,352,736.37, 7,386,578.22 and 2,905,294.74 is: 4,009,199.29
Step by Step Solution
- Step 1: Write the proportion equation
5,352,736.37 : 7,386,578.22 = 2,905,294.74 : x - Step 2: Convert to fraction form
5,352,736.37/7,386,578.22 = 2,905,294.74/x - Step 3: Cross multiply
5,352,736.37x = 7,386,578.22 × 2,905,294.74 - Step 4: Simplify right side
5,352,736.37x = 21,460,186,832,359.75 - Step 5: Solve for x
x = 21,460,186,832,359.75/5,352,736.37 - Step 6: Final answer
x = 4,009,199.29
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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.