Finding the Fourth Proportional to 1,625,682.19, 2,428,635.65 and 1,052,392.94
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Solution
The fourth proportional to 1,625,682.19, 2,428,635.65 and 1,052,392.94 is: 1,572,188.60
Step by Step Solution
- Step 1: Write the proportion equation
1,625,682.19 : 2,428,635.65 = 1,052,392.94 : x - Step 2: Convert to fraction form
1,625,682.19/2,428,635.65 = 1,052,392.94/x - Step 3: Cross multiply
1,625,682.19x = 2,428,635.65 × 1,052,392.94 - Step 4: Simplify right side
1,625,682.19x = 2,555,879,011,892.31 - Step 5: Solve for x
x = 2,555,879,011,892.31/1,625,682.19 - Step 6: Final answer
x = 1,572,188.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.