Finding the Fourth Proportional to 6,398,242.98, 8,829,575.97 and 3,497,646.78
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Solution
The fourth proportional to 6,398,242.98, 8,829,575.97 and 3,497,646.78 is: 4,826,752.92
Step by Step Solution
- Step 1: Write the proportion equation
6,398,242.98 : 8,829,575.97 = 3,497,646.78 : x - Step 2: Convert to fraction form
6,398,242.98/8,829,575.97 = 3,497,646.78/x - Step 3: Cross multiply
6,398,242.98x = 8,829,575.97 × 3,497,646.78 - Step 4: Simplify right side
6,398,242.98x = 30,882,737,960,235.88 - Step 5: Solve for x
x = 30,882,737,960,235.88/6,398,242.98 - Step 6: Final answer
x = 4,826,752.92
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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.