Finding the Fourth Proportional to 1,745,748.36, 2,408,771.64 and 1,020,455.78
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Solution
The fourth proportional to 1,745,748.36, 2,408,771.64 and 1,020,455.78 is: 1,408,017.90
Step by Step Solution
- Step 1: Write the proportion equation
1,745,748.36 : 2,408,771.64 = 1,020,455.78 : x - Step 2: Convert to fraction form
1,745,748.36/2,408,771.64 = 1,020,455.78/x - Step 3: Cross multiply
1,745,748.36x = 2,408,771.64 × 1,020,455.78 - Step 4: Simplify right side
1,745,748.36x = 2,458,044,942,738.08 - Step 5: Solve for x
x = 2,458,044,942,738.08/1,745,748.36 - Step 6: Final answer
x = 1,408,017.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.