Finding the Fourth Proportional to 2,479,427.94, 3,421,374.27 and 1,391,450.12
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Solution
The fourth proportional to 2,479,427.94, 3,421,374.27 and 1,391,450.12 is: 1,920,068.55
Step by Step Solution
- Step 1: Write the proportion equation
2,479,427.94 : 3,421,374.27 = 1,391,450.12 : x - Step 2: Convert to fraction form
2,479,427.94/3,421,374.27 = 1,391,450.12/x - Step 3: Cross multiply
2,479,427.94x = 3,421,374.27 × 1,391,450.12 - Step 4: Simplify right side
2,479,427.94x = 4,760,671,621,449.54 - Step 5: Solve for x
x = 4,760,671,621,449.54/2,479,427.94 - Step 6: Final answer
x = 1,920,068.55
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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.