Finding the Fourth Proportional to 3,986,266.84, 5,501,046.68 and 2,175,430.84
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Solution
The fourth proportional to 3,986,266.84, 5,501,046.68 and 2,175,430.84 is: 3,002,093.71
Step by Step Solution
- Step 1: Write the proportion equation
3,986,266.84 : 5,501,046.68 = 2,175,430.84 : x - Step 2: Convert to fraction form
3,986,266.84/5,501,046.68 = 2,175,430.84/x - Step 3: Cross multiply
3,986,266.84x = 5,501,046.68 × 2,175,430.84 - Step 4: Simplify right side
3,986,266.84x = 11,967,146,599,951.61 - Step 5: Solve for x
x = 11,967,146,599,951.61/3,986,266.84 - Step 6: Final answer
x = 3,002,093.71
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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.