Finding the Fourth Proportional to 1,625,686.44, 2,428,641.99 and 1,052,397.21
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Solution
The fourth proportional to 1,625,686.44, 2,428,641.99 and 1,052,397.21 is: 1,572,194.98
Step by Step Solution
- Step 1: Write the proportion equation
1,625,686.44 : 2,428,641.99 = 1,052,397.21 : x - Step 2: Convert to fraction form
1,625,686.44/2,428,641.99 = 1,052,397.21/x - Step 3: Cross multiply
1,625,686.44x = 2,428,641.99 × 1,052,397.21 - Step 4: Simplify right side
1,625,686.44x = 2,555,896,054,364.85 - Step 5: Solve for x
x = 2,555,896,054,364.85/1,625,686.44 - Step 6: Final answer
x = 1,572,194.98
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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.