Finding the Fourth Proportional to 3,369,506.16, 4,653,022.68 and 2,164,381.68
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Solution
The fourth proportional to 3,369,506.16, 4,653,022.68 and 2,164,381.68 is: 2,988,840.67
Step by Step Solution
- Step 1: Write the proportion equation
3,369,506.16 : 4,653,022.68 = 2,164,381.68 : x - Step 2: Convert to fraction form
3,369,506.16/4,653,022.68 = 2,164,381.68/x - Step 3: Cross multiply
3,369,506.16x = 4,653,022.68 × 2,164,381.68 - Step 4: Simplify right side
3,369,506.16x = 10,070,917,045,216.50 - Step 5: Solve for x
x = 10,070,917,045,216.50/3,369,506.16 - Step 6: Final answer
x = 2,988,840.67
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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.