Finding the Fourth Proportional to 1,879,208.19, 2,593,307.30 and 1,019,768.45
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Solution
The fourth proportional to 1,879,208.19, 2,593,307.30 and 1,019,768.45 is: 1,407,280.45
Step by Step Solution
- Step 1: Write the proportion equation
1,879,208.19 : 2,593,307.30 = 1,019,768.45 : x - Step 2: Convert to fraction form
1,879,208.19/2,593,307.30 = 1,019,768.45/x - Step 3: Cross multiply
1,879,208.19x = 2,593,307.30 × 1,019,768.45 - Step 4: Simplify right side
1,879,208.19x = 2,644,572,947,629.31 - Step 5: Solve for x
x = 2,644,572,947,629.31/1,879,208.19 - Step 6: Final answer
x = 1,407,280.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.