Finding the Fourth Proportional to 2,862,964.73, 3,950,859.39 and 1,556,188.49
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Solution
The fourth proportional to 2,862,964.73, 3,950,859.39 and 1,556,188.49 is: 2,147,522.76
Step by Step Solution
- Step 1: Write the proportion equation
2,862,964.73 : 3,950,859.39 = 1,556,188.49 : x - Step 2: Convert to fraction form
2,862,964.73/3,950,859.39 = 1,556,188.49/x - Step 3: Cross multiply
2,862,964.73x = 3,950,859.39 × 1,556,188.49 - Step 4: Simplify right side
2,862,964.73x = 6,148,281,908,326.42 - Step 5: Solve for x
x = 6,148,281,908,326.42/2,862,964.73 - Step 6: Final answer
x = 2,147,522.76
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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.