Finding the Fourth Proportional to 2,578,209.46, 3,556,685.05 and 1,717,668.70
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Solution
The fourth proportional to 2,578,209.46, 3,556,685.05 and 1,717,668.70 is: 2,369,554.02
Step by Step Solution
- Step 1: Write the proportion equation
2,578,209.46 : 3,556,685.05 = 1,717,668.70 : x - Step 2: Convert to fraction form
2,578,209.46/3,556,685.05 = 1,717,668.70/x - Step 3: Cross multiply
2,578,209.46x = 3,556,685.05 × 1,717,668.70 - Step 4: Simplify right side
2,578,209.46x = 6,109,206,572,957.05 - Step 5: Solve for x
x = 6,109,206,572,957.05/2,578,209.46 - Step 6: Final answer
x = 2,369,554.02
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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.