Finding the Fourth Proportional to 5,448,499.39, 7,518,929.13 and 3,157,988.68
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Solution
The fourth proportional to 5,448,499.39, 7,518,929.13 and 3,157,988.68 is: 4,358,024.36
Step by Step Solution
- Step 1: Write the proportion equation
5,448,499.39 : 7,518,929.13 = 3,157,988.68 : x - Step 2: Convert to fraction form
5,448,499.39/7,518,929.13 = 3,157,988.68/x - Step 3: Cross multiply
5,448,499.39x = 7,518,929.13 × 3,157,988.68 - Step 4: Simplify right side
5,448,499.39x = 23,744,693,078,262.25 - Step 5: Solve for x
x = 23,744,693,078,262.25/5,448,499.39 - Step 6: Final answer
x = 4,358,024.36
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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.