Finding the Fourth Proportional to 4,874,237.56, 6,724,330.18 and 2,939,422.96
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Solution
The fourth proportional to 4,874,237.56, 6,724,330.18 and 2,939,422.96 is: 4,055,126.63
Step by Step Solution
- Step 1: Write the proportion equation
4,874,237.56 : 6,724,330.18 = 2,939,422.96 : x - Step 2: Convert to fraction form
4,874,237.56/6,724,330.18 = 2,939,422.96/x - Step 3: Cross multiply
4,874,237.56x = 6,724,330.18 × 2,939,422.96 - Step 4: Simplify right side
4,874,237.56x = 19,765,650,521,712.93 - Step 5: Solve for x
x = 19,765,650,521,712.93/4,874,237.56 - Step 6: Final answer
x = 4,055,126.63
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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.