Finding the Fourth Proportional to 5,341,833.08, 7,374,271.60 and 3,578,767.18
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Solution
The fourth proportional to 5,341,833.08, 7,374,271.60 and 3,578,767.18 is: 4,940,401.69
Step by Step Solution
- Step 1: Write the proportion equation
5,341,833.08 : 7,374,271.60 = 3,578,767.18 : x - Step 2: Convert to fraction form
5,341,833.08/7,374,271.60 = 3,578,767.18/x - Step 3: Cross multiply
5,341,833.08x = 7,374,271.60 × 3,578,767.18 - Step 4: Simplify right side
5,341,833.08x = 26,390,801,178,486.09 - Step 5: Solve for x
x = 26,390,801,178,486.09/5,341,833.08 - Step 6: Final answer
x = 4,940,401.69
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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.