Finding the Fourth Proportional to 1,585,943.08, 2,188,603.84 and 860,791.06
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Solution
The fourth proportional to 1,585,943.08, 2,188,603.84 and 860,791.06 is: 1,187,892.96
Step by Step Solution
- Step 1: Write the proportion equation
1,585,943.08 : 2,188,603.84 = 860,791.06 : x - Step 2: Convert to fraction form
1,585,943.08/2,188,603.84 = 860,791.06/x - Step 3: Cross multiply
1,585,943.08x = 2,188,603.84 × 860,791.06 - Step 4: Simplify right side
1,585,943.08x = 1,883,930,619,353.67 - Step 5: Solve for x
x = 1,883,930,619,353.67/1,585,943.08 - Step 6: Final answer
x = 1,187,892.96
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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.