Finding the Fourth Proportional to 2,824,902.50, 4,239,219.99 and 1,329,111.14
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Solution
The fourth proportional to 2,824,902.50, 4,239,219.99 and 1,329,111.14 is: 1,994,544.77
Step by Step Solution
- Step 1: Write the proportion equation
2,824,902.50 : 4,239,219.99 = 1,329,111.14 : x - Step 2: Convert to fraction form
2,824,902.50/4,239,219.99 = 1,329,111.14/x - Step 3: Cross multiply
2,824,902.50x = 4,239,219.99 × 1,329,111.14 - Step 4: Simplify right side
2,824,902.50x = 5,634,394,513,619.69 - Step 5: Solve for x
x = 5,634,394,513,619.69/2,824,902.50 - Step 6: Final answer
x = 1,994,544.77
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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.