Finding the Fourth Proportional to 1,992,482.49, 2,988,402.96 and 572,215.53
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Solution
The fourth proportional to 1,992,482.49, 2,988,402.96 and 572,215.53 is: 858,231.17
Step by Step Solution
- Step 1: Write the proportion equation
1,992,482.49 : 2,988,402.96 = 572,215.53 : x - Step 2: Convert to fraction form
1,992,482.49/2,988,402.96 = 572,215.53/x - Step 3: Cross multiply
1,992,482.49x = 2,988,402.96 × 572,215.53 - Step 4: Simplify right side
1,992,482.49x = 1,710,010,583,609.97 - Step 5: Solve for x
x = 1,710,010,583,609.97/1,992,482.49 - Step 6: Final answer
x = 858,231.17
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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.