Finding the Fourth Proportional to 4,874,237.31, 6,724,329.84 and 2,939,422.71
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Solution
The fourth proportional to 4,874,237.31, 6,724,329.84 and 2,939,422.71 is: 4,055,126.29
Step by Step Solution
- Step 1: Write the proportion equation
4,874,237.31 : 6,724,329.84 = 2,939,422.71 : x - Step 2: Convert to fraction form
4,874,237.31/6,724,329.84 = 2,939,422.71/x - Step 3: Cross multiply
4,874,237.31x = 6,724,329.84 × 2,939,422.71 - Step 4: Simplify right side
4,874,237.31x = 19,765,647,841,226.66 - Step 5: Solve for x
x = 19,765,647,841,226.66/4,874,237.31 - Step 6: Final answer
x = 4,055,126.29
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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.