Finding the Fourth Proportional to 1,585,962.73, 2,188,621.18 and 860,804.11
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Solution
The fourth proportional to 1,585,962.73, 2,188,621.18 and 860,804.11 is: 1,187,905.66
Step by Step Solution
- Step 1: Write the proportion equation
1,585,962.73 : 2,188,621.18 = 860,804.11 : x - Step 2: Convert to fraction form
1,585,962.73/2,188,621.18 = 860,804.11/x - Step 3: Cross multiply
1,585,962.73x = 2,188,621.18 × 860,804.11 - Step 4: Simplify right side
1,585,962.73x = 1,883,974,106,977.05 - Step 5: Solve for x
x = 1,883,974,106,977.05/1,585,962.73 - Step 6: Final answer
x = 1,187,905.66
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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.