Finding the Fourth Proportional to 2,581,251.44, 3,561,980.67 and 1,435,307.18
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Solution
The fourth proportional to 2,581,251.44, 3,561,980.67 and 1,435,307.18 is: 1,980,642.55
Step by Step Solution
- Step 1: Write the proportion equation
2,581,251.44 : 3,561,980.67 = 1,435,307.18 : x - Step 2: Convert to fraction form
2,581,251.44/3,561,980.67 = 1,435,307.18/x - Step 3: Cross multiply
2,581,251.44x = 3,561,980.67 × 1,435,307.18 - Step 4: Simplify right side
2,581,251.44x = 5,112,536,412,862.31 - Step 5: Solve for x
x = 5,112,536,412,862.31/2,581,251.44 - Step 6: Final answer
x = 1,980,642.55
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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.