Finding the Fourth Proportional to 5,306,581.28, 7,323,341.76 and 2,984,204.72
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Solution
The fourth proportional to 5,306,581.28, 7,323,341.76 and 2,984,204.72 is: 4,118,348.50
Step by Step Solution
- Step 1: Write the proportion equation
5,306,581.28 : 7,323,341.76 = 2,984,204.72 : x - Step 2: Convert to fraction form
5,306,581.28/7,323,341.76 = 2,984,204.72/x - Step 3: Cross multiply
5,306,581.28x = 7,323,341.76 × 2,984,204.72 - Step 4: Simplify right side
5,306,581.28x = 21,854,351,046,365.11 - Step 5: Solve for x
x = 21,854,351,046,365.11/5,306,581.28 - Step 6: Final answer
x = 4,118,348.50
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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.