Finding the Fourth Proportional to 4,048,615.23, 5,587,089.28 and 2,213,080.79
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Solution
The fourth proportional to 4,048,615.23, 5,587,089.28 and 2,213,080.79 is: 3,054,051.63
Step by Step Solution
- Step 1: Write the proportion equation
4,048,615.23 : 5,587,089.28 = 2,213,080.79 : x - Step 2: Convert to fraction form
4,048,615.23/5,587,089.28 = 2,213,080.79/x - Step 3: Cross multiply
4,048,615.23x = 5,587,089.28 × 2,213,080.79 - Step 4: Simplify right side
4,048,615.23x = 12,364,679,957,582.93 - Step 5: Solve for x
x = 12,364,679,957,582.93/4,048,615.23 - Step 6: Final answer
x = 3,054,051.63
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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.