Finding the Fourth Proportional to 7,045,148.49, 10,564,391.44 and 2,729,220.18
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Solution
The fourth proportional to 7,045,148.49, 10,564,391.44 and 2,729,220.18 is: 4,092,539.75
Step by Step Solution
- Step 1: Write the proportion equation
7,045,148.49 : 10,564,391.44 = 2,729,220.18 : x - Step 2: Convert to fraction form
7,045,148.49/10,564,391.44 = 2,729,220.18/x - Step 3: Cross multiply
7,045,148.49x = 10,564,391.44 × 2,729,220.18 - Step 4: Simplify right side
7,045,148.49x = 28,832,550,255,910.45 - Step 5: Solve for x
x = 28,832,550,255,910.45/7,045,148.49 - Step 6: Final answer
x = 4,092,539.75
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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.