Finding the Fourth Proportional to 5,306,430.09, 7,320,747.29 and 3,345,663.39
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Solution
The fourth proportional to 5,306,430.09, 7,320,747.29 and 3,345,663.39 is: 4,615,674.90
Step by Step Solution
- Step 1: Write the proportion equation
5,306,430.09 : 7,320,747.29 = 3,345,663.39 : x - Step 2: Convert to fraction form
5,306,430.09/7,320,747.29 = 3,345,663.39/x - Step 3: Cross multiply
5,306,430.09x = 7,320,747.29 × 3,345,663.39 - Step 4: Simplify right side
5,306,430.09x = 24,492,756,195,594.71 - Step 5: Solve for x
x = 24,492,756,195,594.71/5,306,430.09 - Step 6: Final answer
x = 4,615,674.90
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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.