Finding the Fourth Proportional to 1,585,996.84, 2,188,677.84 and 860,844.70
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Solution
The fourth proportional to 1,585,996.84, 2,188,677.84 and 860,844.70 is: 1,187,966.88
Step by Step Solution
- Step 1: Write the proportion equation
1,585,996.84 : 2,188,677.84 = 860,844.70 : x - Step 2: Convert to fraction form
1,585,996.84/2,188,677.84 = 860,844.70/x - Step 3: Cross multiply
1,585,996.84x = 2,188,677.84 × 860,844.70 - Step 4: Simplify right side
1,585,996.84x = 1,884,111,718,571.45 - Step 5: Solve for x
x = 1,884,111,718,571.45/1,585,996.84 - Step 6: Final answer
x = 1,187,966.88
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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.