Finding the Fourth Proportional to 1,992,075.36, 2,988,867.55 and 1,193,929.71
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Solution
The fourth proportional to 1,992,075.36, 2,988,867.55 and 1,193,929.71 is: 1,791,346.77
Step by Step Solution
- Step 1: Write the proportion equation
1,992,075.36 : 2,988,867.55 = 1,193,929.71 : x - Step 2: Convert to fraction form
1,992,075.36/2,988,867.55 = 1,193,929.71/x - Step 3: Cross multiply
1,992,075.36x = 2,988,867.55 × 1,193,929.71 - Step 4: Simplify right side
1,992,075.36x = 3,568,497,755,245.45 - Step 5: Solve for x
x = 3,568,497,755,245.45/1,992,075.36 - Step 6: Final answer
x = 1,791,346.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.