Finding the Fourth Proportional to 1,574,768.84, 2,173,181.54 and 921,520.44
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Solution
The fourth proportional to 1,574,768.84, 2,173,181.54 and 921,520.44 is: 1,271,698.52
Step by Step Solution
- Step 1: Write the proportion equation
1,574,768.84 : 2,173,181.54 = 921,520.44 : x - Step 2: Convert to fraction form
1,574,768.84/2,173,181.54 = 921,520.44/x - Step 3: Cross multiply
1,574,768.84x = 2,173,181.54 × 921,520.44 - Step 4: Simplify right side
1,574,768.84x = 2,002,631,204,333.08 - Step 5: Solve for x
x = 2,002,631,204,333.08/1,574,768.84 - Step 6: Final answer
x = 1,271,698.52
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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.