Finding the Fourth Proportional to 1,887,076.84, 2,603,968.14 and 1,102,167.40
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Solution
The fourth proportional to 1,887,076.84, 2,603,968.14 and 1,102,167.40 is: 1,520,875.43
Step by Step Solution
- Step 1: Write the proportion equation
1,887,076.84 : 2,603,968.14 = 1,102,167.40 : x - Step 2: Convert to fraction form
1,887,076.84/2,603,968.14 = 1,102,167.40/x - Step 3: Cross multiply
1,887,076.84x = 2,603,968.14 × 1,102,167.40 - Step 4: Simplify right side
1,887,076.84x = 2,870,008,794,546.64 - Step 5: Solve for x
x = 2,870,008,794,546.64/1,887,076.84 - Step 6: Final answer
x = 1,520,875.43
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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.