Finding the Fourth Proportional to 4,810,540.34, 6,636,028.79 and 2,974,411.68
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Solution
The fourth proportional to 4,810,540.34, 6,636,028.79 and 2,974,411.68 is: 4,103,131.90
Step by Step Solution
- Step 1: Write the proportion equation
4,810,540.34 : 6,636,028.79 = 2,974,411.68 : x - Step 2: Convert to fraction form
4,810,540.34/6,636,028.79 = 2,974,411.68/x - Step 3: Cross multiply
4,810,540.34x = 6,636,028.79 × 2,974,411.68 - Step 4: Simplify right side
4,810,540.34x = 19,738,281,526,920.21 - Step 5: Solve for x
x = 19,738,281,526,920.21/4,810,540.34 - Step 6: Final answer
x = 4,103,131.90
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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.