Finding the Fourth Proportional to 6,971,206.15, 9,620,072.58 and 3,873,649.42
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Solution
The fourth proportional to 6,971,206.15, 9,620,072.58 and 3,873,649.42 is: 5,345,529.56
Step by Step Solution
- Step 1: Write the proportion equation
6,971,206.15 : 9,620,072.58 = 3,873,649.42 : x - Step 2: Convert to fraction form
6,971,206.15/9,620,072.58 = 3,873,649.42/x - Step 3: Cross multiply
6,971,206.15x = 9,620,072.58 × 3,873,649.42 - Step 4: Simplify right side
6,971,206.15x = 37,264,788,569,874.91 - Step 5: Solve for x
x = 37,264,788,569,874.91/6,971,206.15 - Step 6: Final answer
x = 5,345,529.56
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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.