Finding the Fourth Proportional to 2,578,712.41, 3,558,644.04 and 1,612,402.66
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Solution
The fourth proportional to 2,578,712.41, 3,558,644.04 and 1,612,402.66 is: 2,225,128.75
Step by Step Solution
- Step 1: Write the proportion equation
2,578,712.41 : 3,558,644.04 = 1,612,402.66 : x - Step 2: Convert to fraction form
2,578,712.41/3,558,644.04 = 1,612,402.66/x - Step 3: Cross multiply
2,578,712.41x = 3,558,644.04 × 1,612,402.66 - Step 4: Simplify right side
2,578,712.41x = 5,737,967,116,089.15 - Step 5: Solve for x
x = 5,737,967,116,089.15/2,578,712.41 - Step 6: Final answer
x = 2,225,128.75
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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.