Finding the Fourth Proportional to 1,625,681.19, 2,428,634.16 and 1,052,391.94
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Solution
The fourth proportional to 1,625,681.19, 2,428,634.16 and 1,052,391.94 is: 1,572,187.11
Step by Step Solution
- Step 1: Write the proportion equation
1,625,681.19 : 2,428,634.16 = 1,052,391.94 : x - Step 2: Convert to fraction form
1,625,681.19/2,428,634.16 = 1,052,391.94/x - Step 3: Cross multiply
1,625,681.19x = 2,428,634.16 × 1,052,391.94 - Step 4: Simplify right side
1,625,681.19x = 2,555,875,015,192.67 - Step 5: Solve for x
x = 2,555,875,015,192.67/1,625,681.19 - Step 6: Final answer
x = 1,572,187.11
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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.