Finding the Fourth Proportional to 2,553,808.49, 3,524,279.76 and 1,407,929.84
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Solution
The fourth proportional to 2,553,808.49, 3,524,279.76 and 1,407,929.84 is: 1,942,956.43
Step by Step Solution
- Step 1: Write the proportion equation
2,553,808.49 : 3,524,279.76 = 1,407,929.84 : x - Step 2: Convert to fraction form
2,553,808.49/3,524,279.76 = 1,407,929.84/x - Step 3: Cross multiply
2,553,808.49x = 3,524,279.76 × 1,407,929.84 - Step 4: Simplify right side
2,553,808.49x = 4,961,938,638,612.04 - Step 5: Solve for x
x = 4,961,938,638,612.04/2,553,808.49 - Step 6: Final answer
x = 1,942,956.43
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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.