Finding the Fourth Proportional to 4,668,564.07, 6,447,932.82 and 3,138,013.99
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Solution
The fourth proportional to 4,668,564.07, 6,447,932.82 and 3,138,013.99 is: 4,334,031.43
Step by Step Solution
- Step 1: Write the proportion equation
4,668,564.07 : 6,447,932.82 = 3,138,013.99 : x - Step 2: Convert to fraction form
4,668,564.07/6,447,932.82 = 3,138,013.99/x - Step 3: Cross multiply
4,668,564.07x = 6,447,932.82 × 3,138,013.99 - Step 4: Simplify right side
4,668,564.07x = 20,233,703,395,740.15 - Step 5: Solve for x
x = 20,233,703,395,740.15/4,668,564.07 - Step 6: Final answer
x = 4,334,031.43
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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.