Finding the Fourth Proportional to 2,220,068.72, 3,063,704.64 and 1,201,473.74
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Solution
The fourth proportional to 2,220,068.72, 3,063,704.64 and 1,201,473.74 is: 1,658,039.07
Step by Step Solution
- Step 1: Write the proportion equation
2,220,068.72 : 3,063,704.64 = 1,201,473.74 : x - Step 2: Convert to fraction form
2,220,068.72/3,063,704.64 = 1,201,473.74/x - Step 3: Cross multiply
2,220,068.72x = 3,063,704.64 × 1,201,473.74 - Step 4: Simplify right side
2,220,068.72x = 3,680,960,672,076.15 - Step 5: Solve for x
x = 3,680,960,672,076.15/2,220,068.72 - Step 6: Final answer
x = 1,658,039.07
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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.