Finding the Fourth Proportional to 1,812,848.97, 2,720,471.35 and 853,578.93
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Solution
The fourth proportional to 1,812,848.97, 2,720,471.35 and 853,578.93 is: 1,280,932.42
Step by Step Solution
- Step 1: Write the proportion equation
1,812,848.97 : 2,720,471.35 = 853,578.93 : x - Step 2: Convert to fraction form
1,812,848.97/2,720,471.35 = 853,578.93/x - Step 3: Cross multiply
1,812,848.97x = 2,720,471.35 × 853,578.93 - Step 4: Simplify right side
1,812,848.97x = 2,322,137,024,028.66 - Step 5: Solve for x
x = 2,322,137,024,028.66/1,812,848.97 - Step 6: Final answer
x = 1,280,932.42
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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.