Finding the Fourth Proportional to 5,030,864.06, 6,943,219.75 and 2,856,111.26
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Solution
The fourth proportional to 5,030,864.06, 6,943,219.75 and 2,856,111.26 is: 3,941,789.69
Step by Step Solution
- Step 1: Write the proportion equation
5,030,864.06 : 6,943,219.75 = 2,856,111.26 : x - Step 2: Convert to fraction form
5,030,864.06/6,943,219.75 = 2,856,111.26/x - Step 3: Cross multiply
5,030,864.06x = 6,943,219.75 × 2,856,111.26 - Step 4: Simplify right side
5,030,864.06x = 19,830,608,108,629.38 - Step 5: Solve for x
x = 19,830,608,108,629.38/5,030,864.06 - Step 6: Final answer
x = 3,941,789.69
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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.