Finding the Fourth Proportional to 4,971,570.72, 6,859,977.12 and 2,795,693.68
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Solution
The fourth proportional to 4,971,570.72, 6,859,977.12 and 2,795,693.68 is: 3,857,612.77
Step by Step Solution
- Step 1: Write the proportion equation
4,971,570.72 : 6,859,977.12 = 2,795,693.68 : x - Step 2: Convert to fraction form
4,971,570.72/6,859,977.12 = 2,795,693.68/x - Step 3: Cross multiply
4,971,570.72x = 6,859,977.12 × 2,795,693.68 - Step 4: Simplify right side
4,971,570.72x = 19,178,394,679,328.60 - Step 5: Solve for x
x = 19,178,394,679,328.60/4,971,570.72 - Step 6: Final answer
x = 3,857,612.77
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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.