Finding the Fourth Proportional to 3,449,605.24, 4,760,602.50 and 1,921,711.96
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Solution
The fourth proportional to 3,449,605.24, 4,760,602.50 and 1,921,711.96 is: 2,652,044.55
Step by Step Solution
- Step 1: Write the proportion equation
3,449,605.24 : 4,760,602.50 = 1,921,711.96 : x - Step 2: Convert to fraction form
3,449,605.24/4,760,602.50 = 1,921,711.96/x - Step 3: Cross multiply
3,449,605.24x = 4,760,602.50 × 1,921,711.96 - Step 4: Simplify right side
3,449,605.24x = 9,148,506,761,055.90 - Step 5: Solve for x
x = 9,148,506,761,055.90/3,449,605.24 - Step 6: Final answer
x = 2,652,044.55
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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.