Finding the Fourth Proportional to 2,122,459.60, 2,930,814.76 and 2,053,826.31
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Solution
The fourth proportional to 2,122,459.60, 2,930,814.76 and 2,053,826.31 is: 2,836,041.94
Step by Step Solution
- Step 1: Write the proportion equation
2,122,459.60 : 2,930,814.76 = 2,053,826.31 : x - Step 2: Convert to fraction form
2,122,459.60/2,930,814.76 = 2,053,826.31/x - Step 3: Cross multiply
2,122,459.60x = 2,930,814.76 × 2,053,826.31 - Step 4: Simplify right side
2,122,459.60x = 6,019,384,438,901.13 - Step 5: Solve for x
x = 6,019,384,438,901.13/2,122,459.60 - Step 6: Final answer
x = 2,836,041.94
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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.