Finding the Fourth Proportional to 1,768,653.32, 2,440,048.74 and 1,088,408.84
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Solution
The fourth proportional to 1,768,653.32, 2,440,048.74 and 1,088,408.84 is: 1,501,577.83
Step by Step Solution
- Step 1: Write the proportion equation
1,768,653.32 : 2,440,048.74 = 1,088,408.84 : x - Step 2: Convert to fraction form
1,768,653.32/2,440,048.74 = 1,088,408.84/x - Step 3: Cross multiply
1,768,653.32x = 2,440,048.74 × 1,088,408.84 - Step 4: Simplify right side
1,768,653.32x = 2,655,770,618,646.86 - Step 5: Solve for x
x = 2,655,770,618,646.86/1,768,653.32 - Step 6: Final answer
x = 1,501,577.83
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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.