Finding the Fourth Proportional to 2,125,885.01, 3,187,143.53 and 1,060,378.61
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Solution
The fourth proportional to 2,125,885.01, 3,187,143.53 and 1,060,378.61 is: 1,589,727.95
Step by Step Solution
- Step 1: Write the proportion equation
2,125,885.01 : 3,187,143.53 = 1,060,378.61 : x - Step 2: Convert to fraction form
2,125,885.01/3,187,143.53 = 1,060,378.61/x - Step 3: Cross multiply
2,125,885.01x = 3,187,143.53 × 1,060,378.61 - Step 4: Simplify right side
2,125,885.01x = 3,379,578,820,910.00 - Step 5: Solve for x
x = 3,379,578,820,910.00/2,125,885.01 - Step 6: Final answer
x = 1,589,727.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.