Finding the Fourth Proportional to 1,845,283.05, 2,546,492.21 and 1,029,486.90
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Solution
The fourth proportional to 1,845,283.05, 2,546,492.21 and 1,029,486.90 is: 1,420,692.82
Step by Step Solution
- Step 1: Write the proportion equation
1,845,283.05 : 2,546,492.21 = 1,029,486.90 : x - Step 2: Convert to fraction form
1,845,283.05/2,546,492.21 = 1,029,486.90/x - Step 3: Cross multiply
1,845,283.05x = 2,546,492.21 × 1,029,486.90 - Step 4: Simplify right side
1,845,283.05x = 2,621,580,371,147.05 - Step 5: Solve for x
x = 2,621,580,371,147.05/1,845,283.05 - Step 6: Final answer
x = 1,420,692.82
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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.