Finding the Fourth Proportional to 1,585,689.12, 2,188,252.48 and 860,536.96
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Solution
The fourth proportional to 1,585,689.12, 2,188,252.48 and 860,536.96 is: 1,187,541.82
Step by Step Solution
- Step 1: Write the proportion equation
1,585,689.12 : 2,188,252.48 = 860,536.96 : x - Step 2: Convert to fraction form
1,585,689.12/2,188,252.48 = 860,536.96/x - Step 3: Cross multiply
1,585,689.12x = 2,188,252.48 × 860,536.96 - Step 4: Simplify right side
1,585,689.12x = 1,883,072,136,851.66 - Step 5: Solve for x
x = 1,883,072,136,851.66/1,585,689.12 - Step 6: Final answer
x = 1,187,541.82
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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.