Finding the Fourth Proportional to 4,691,315.81, 6,473,972.08 and 2,654,125.31
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Solution
The fourth proportional to 4,691,315.81, 6,473,972.08 and 2,654,125.31 is: 3,662,668.19
Step by Step Solution
- Step 1: Write the proportion equation
4,691,315.81 : 6,473,972.08 = 2,654,125.31 : x - Step 2: Convert to fraction form
4,691,315.81/6,473,972.08 = 2,654,125.31/x - Step 3: Cross multiply
4,691,315.81x = 6,473,972.08 × 2,654,125.31 - Step 4: Simplify right side
4,691,315.81x = 17,182,733,173,263.93 - Step 5: Solve for x
x = 17,182,733,173,263.93/4,691,315.81 - Step 6: Final answer
x = 3,662,668.19
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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.