Finding the Fourth Proportional to 4,688,710.92, 6,470,692.25 and 2,623,708.46
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Solution
The fourth proportional to 4,688,710.92, 6,470,692.25 and 2,623,708.46 is: 3,620,869.42
Step by Step Solution
- Step 1: Write the proportion equation
4,688,710.92 : 6,470,692.25 = 2,623,708.46 : x - Step 2: Convert to fraction form
4,688,710.92/6,470,692.25 = 2,623,708.46/x - Step 3: Cross multiply
4,688,710.92x = 6,470,692.25 × 2,623,708.46 - Step 4: Simplify right side
4,688,710.92x = 16,977,209,998,381.44 - Step 5: Solve for x
x = 16,977,209,998,381.44/4,688,710.92 - Step 6: Final answer
x = 3,620,869.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.