Finding the Fourth Proportional to 1,938,037.75, 2,674,492.10 and 1,078,800.99
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Solution
The fourth proportional to 1,938,037.75, 2,674,492.10 and 1,078,800.99 is: 1,488,745.37
Step by Step Solution
- Step 1: Write the proportion equation
1,938,037.75 : 2,674,492.10 = 1,078,800.99 : x - Step 2: Convert to fraction form
1,938,037.75/2,674,492.10 = 1,078,800.99/x - Step 3: Cross multiply
1,938,037.75x = 2,674,492.10 × 1,078,800.99 - Step 4: Simplify right side
1,938,037.75x = 2,885,244,725,227.18 - Step 5: Solve for x
x = 2,885,244,725,227.18/1,938,037.75 - Step 6: Final answer
x = 1,488,745.37
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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.