Finding the Fourth Proportional to 2,840,828.88, 3,920,320.56 and 1,551,670.08
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Solution
The fourth proportional to 2,840,828.88, 3,920,320.56 and 1,551,670.08 is: 2,141,291.99
Step by Step Solution
- Step 1: Write the proportion equation
2,840,828.88 : 3,920,320.56 = 1,551,670.08 : x - Step 2: Convert to fraction form
2,840,828.88/3,920,320.56 = 1,551,670.08/x - Step 3: Cross multiply
2,840,828.88x = 3,920,320.56 × 1,551,670.08 - Step 4: Simplify right side
2,840,828.88x = 6,083,044,116,960.85 - Step 5: Solve for x
x = 6,083,044,116,960.85/2,840,828.88 - Step 6: Final answer
x = 2,141,291.99
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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.