Finding the Fourth Proportional to 1,859,212.08, 2,565,712.68 and 1,054,396.08
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Solution
The fourth proportional to 1,859,212.08, 2,565,712.68 and 1,054,396.08 is: 1,455,066.60
Step by Step Solution
- Step 1: Write the proportion equation
1,859,212.08 : 2,565,712.68 = 1,054,396.08 : x - Step 2: Convert to fraction form
1,859,212.08/2,565,712.68 = 1,054,396.08/x - Step 3: Cross multiply
1,859,212.08x = 2,565,712.68 × 1,054,396.08 - Step 4: Simplify right side
1,859,212.08x = 2,705,277,392,198.30 - Step 5: Solve for x
x = 2,705,277,392,198.30/1,859,212.08 - Step 6: Final answer
x = 1,455,066.60
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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.