Finding the Fourth Proportional to 2,973,349.71, 4,102,874.46 and 1,749,386.03
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Solution
The fourth proportional to 2,973,349.71, 4,102,874.46 and 1,749,386.03 is: 2,413,947.88
Step by Step Solution
- Step 1: Write the proportion equation
2,973,349.71 : 4,102,874.46 = 1,749,386.03 : x - Step 2: Convert to fraction form
2,973,349.71/4,102,874.46 = 1,749,386.03/x - Step 3: Cross multiply
2,973,349.71x = 4,102,874.46 × 1,749,386.03 - Step 4: Simplify right side
2,973,349.71x = 7,177,511,242,653.42 - Step 5: Solve for x
x = 7,177,511,242,653.42/2,973,349.71 - Step 6: Final answer
x = 2,413,947.88
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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.