Finding the Fourth Proportional to 2,191,070.84, 3,286,507.65 and 1,471,715.63
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Solution
The fourth proportional to 2,191,070.84, 3,286,507.65 and 1,471,715.63 is: 2,207,507.20
Step by Step Solution
- Step 1: Write the proportion equation
2,191,070.84 : 3,286,507.65 = 1,471,715.63 : x - Step 2: Convert to fraction form
2,191,070.84/3,286,507.65 = 1,471,715.63/x - Step 3: Cross multiply
2,191,070.84x = 3,286,507.65 × 1,471,715.63 - Step 4: Simplify right side
2,191,070.84x = 4,836,804,660,187.03 - Step 5: Solve for x
x = 4,836,804,660,187.03/2,191,070.84 - Step 6: Final answer
x = 2,207,507.20
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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.