Finding the Fourth Proportional to 5,009,638.05, 6,913,313.91 and 2,717,798.73
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Solution
The fourth proportional to 5,009,638.05, 6,913,313.91 and 2,717,798.73 is: 3,750,569.52
Step by Step Solution
- Step 1: Write the proportion equation
5,009,638.05 : 6,913,313.91 = 2,717,798.73 : x - Step 2: Convert to fraction form
5,009,638.05/6,913,313.91 = 2,717,798.73/x - Step 3: Cross multiply
5,009,638.05x = 6,913,313.91 × 2,717,798.73 - Step 4: Simplify right side
5,009,638.05x = 18,788,995,764,689.34 - Step 5: Solve for x
x = 18,788,995,764,689.34/5,009,638.05 - Step 6: Final answer
x = 3,750,569.52
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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.