Finding the Fourth Proportional to 2,134,434.12, 2,945,480.40 and 1,167,555.95
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Solution
The fourth proportional to 2,134,434.12, 2,945,480.40 and 1,167,555.95 is: 1,611,206.05
Step by Step Solution
- Step 1: Write the proportion equation
2,134,434.12 : 2,945,480.40 = 1,167,555.95 : x - Step 2: Convert to fraction form
2,134,434.12/2,945,480.40 = 1,167,555.95/x - Step 3: Cross multiply
2,134,434.12x = 2,945,480.40 × 1,167,555.95 - Step 4: Simplify right side
2,134,434.12x = 3,439,013,173,992.08 - Step 5: Solve for x
x = 3,439,013,173,992.08/2,134,434.12 - Step 6: Final answer
x = 1,611,206.05
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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.