Finding the Fourth Proportional to 1,838,313.60, 2,755,137.60 and 1,637,692.80
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Solution
The fourth proportional to 1,838,313.60, 2,755,137.60 and 1,637,692.80 is: 2,454,460.99
Step by Step Solution
- Step 1: Write the proportion equation
1,838,313.60 : 2,755,137.60 = 1,637,692.80 : x - Step 2: Convert to fraction form
1,838,313.60/2,755,137.60 = 1,637,692.80/x - Step 3: Cross multiply
1,838,313.60x = 2,755,137.60 × 1,637,692.80 - Step 4: Simplify right side
1,838,313.60x = 4,512,069,010,529.28 - Step 5: Solve for x
x = 4,512,069,010,529.28/1,838,313.60 - Step 6: Final answer
x = 2,454,460.99
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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.