Finding the Fourth Proportional to 3,931,617.38, 5,898,408.64 and 3,125,044.96
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Solution
The fourth proportional to 3,931,617.38, 5,898,408.64 and 3,125,044.96 is: 4,688,348.44
Step by Step Solution
- Step 1: Write the proportion equation
3,931,617.38 : 5,898,408.64 = 3,125,044.96 : x - Step 2: Convert to fraction form
3,931,617.38/5,898,408.64 = 3,125,044.96/x - Step 3: Cross multiply
3,931,617.38x = 5,898,408.64 × 3,125,044.96 - Step 4: Simplify right side
3,931,617.38x = 18,432,792,169,893.82 - Step 5: Solve for x
x = 18,432,792,169,893.82/3,931,617.38 - Step 6: Final answer
x = 4,688,348.44
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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.