Finding the Fourth Proportional to 2,134,537.97, 3,196,675.71 and 1,220,951.53
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Solution
The fourth proportional to 2,134,537.97, 3,196,675.71 and 1,220,951.53 is: 1,828,492.22
Step by Step Solution
- Step 1: Write the proportion equation
2,134,537.97 : 3,196,675.71 = 1,220,951.53 : x - Step 2: Convert to fraction form
2,134,537.97/3,196,675.71 = 1,220,951.53/x - Step 3: Cross multiply
2,134,537.97x = 3,196,675.71 × 1,220,951.53 - Step 4: Simplify right side
2,134,537.97x = 3,902,986,081,618.95 - Step 5: Solve for x
x = 3,902,986,081,618.95/2,134,537.97 - Step 6: Final answer
x = 1,828,492.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.