Finding the Fourth Proportional to 5,146,365.96, 7,102,039.14 and 2,823,263.19
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Solution
The fourth proportional to 5,146,365.96, 7,102,039.14 and 2,823,263.19 is: 3,896,132.89
Step by Step Solution
- Step 1: Write the proportion equation
5,146,365.96 : 7,102,039.14 = 2,823,263.19 : x - Step 2: Convert to fraction form
5,146,365.96/7,102,039.14 = 2,823,263.19/x - Step 3: Cross multiply
5,146,365.96x = 7,102,039.14 × 2,823,263.19 - Step 4: Simplify right side
5,146,365.96x = 20,050,925,677,901.25 - Step 5: Solve for x
x = 20,050,925,677,901.25/5,146,365.96 - Step 6: Final answer
x = 3,896,132.89
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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.