Finding the Fourth Proportional to 1,821,134.91, 2,731,998.83 and 683,985.63
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Solution
The fourth proportional to 1,821,134.91, 2,731,998.83 and 683,985.63 is: 1,026,089.79
Step by Step Solution
- Step 1: Write the proportion equation
1,821,134.91 : 2,731,998.83 = 683,985.63 : x - Step 2: Convert to fraction form
1,821,134.91/2,731,998.83 = 683,985.63/x - Step 3: Cross multiply
1,821,134.91x = 2,731,998.83 × 683,985.63 - Step 4: Simplify right side
1,821,134.91x = 1,868,647,937,476.89 - Step 5: Solve for x
x = 1,868,647,937,476.89/1,821,134.91 - Step 6: Final answer
x = 1,026,089.79
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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.