Finding the Fourth Proportional to 3,563,992.35, 4,918,005.35 and 2,015,178.09
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Solution
The fourth proportional to 3,563,992.35, 4,918,005.35 and 2,015,178.09 is: 2,780,773.82
Step by Step Solution
- Step 1: Write the proportion equation
3,563,992.35 : 4,918,005.35 = 2,015,178.09 : x - Step 2: Convert to fraction form
3,563,992.35/4,918,005.35 = 2,015,178.09/x - Step 3: Cross multiply
3,563,992.35x = 4,918,005.35 × 2,015,178.09 - Step 4: Simplify right side
3,563,992.35x = 9,910,656,617,746.89 - Step 5: Solve for x
x = 9,910,656,617,746.89/3,563,992.35 - Step 6: Final answer
x = 2,780,773.82
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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.