Finding the Fourth Proportional to 4,811,732.91, 6,640,191.27 and 2,636,358.48
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Solution
The fourth proportional to 4,811,732.91, 6,640,191.27 and 2,636,358.48 is: 3,638,174.62
Step by Step Solution
- Step 1: Write the proportion equation
4,811,732.91 : 6,640,191.27 = 2,636,358.48 : x - Step 2: Convert to fraction form
4,811,732.91/6,640,191.27 = 2,636,358.48/x - Step 3: Cross multiply
4,811,732.91x = 6,640,191.27 × 2,636,358.48 - Step 4: Simplify right side
4,811,732.91x = 17,505,924,563,486.47 - Step 5: Solve for x
x = 17,505,924,563,486.47/4,811,732.91 - Step 6: Final answer
x = 3,638,174.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.