Finding the Fourth Proportional to 4,270,718.78, 5,893,591.68 and 2,336,979.59
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Solution
The fourth proportional to 4,270,718.78, 5,893,591.68 and 2,336,979.59 is: 3,225,031.70
Step by Step Solution
- Step 1: Write the proportion equation
4,270,718.78 : 5,893,591.68 = 2,336,979.59 : x - Step 2: Convert to fraction form
4,270,718.78/5,893,591.68 = 2,336,979.59/x - Step 3: Cross multiply
4,270,718.78x = 5,893,591.68 × 2,336,979.59 - Step 4: Simplify right side
4,270,718.78x = 13,773,203,467,953.81 - Step 5: Solve for x
x = 13,773,203,467,953.81/4,270,718.78 - Step 6: Final answer
x = 3,225,031.70
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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.