Finding the Fourth Proportional to 3,125,600.70, 4,684,901.85 and 1,778,408.70
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Solution
The fourth proportional to 3,125,600.70, 4,684,901.85 and 1,778,408.70 is: 2,665,622.07
Step by Step Solution
- Step 1: Write the proportion equation
3,125,600.70 : 4,684,901.85 = 1,778,408.70 : x - Step 2: Convert to fraction form
3,125,600.70/4,684,901.85 = 1,778,408.70/x - Step 3: Cross multiply
3,125,600.70x = 4,684,901.85 × 1,778,408.70 - Step 4: Simplify right side
3,125,600.70x = 8,331,670,208,686.09 - Step 5: Solve for x
x = 8,331,670,208,686.09/3,125,600.70 - Step 6: Final answer
x = 2,665,622.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.