Finding the Fourth Proportional to 1,585,642.99, 2,188,193.06 and 860,490.49
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Solution
The fourth proportional to 1,585,642.99, 2,188,193.06 and 860,490.49 is: 1,187,479.99
Step by Step Solution
- Step 1: Write the proportion equation
1,585,642.99 : 2,188,193.06 = 860,490.49 : x - Step 2: Convert to fraction form
1,585,642.99/2,188,193.06 = 860,490.49/x - Step 3: Cross multiply
1,585,642.99x = 2,188,193.06 × 860,490.49 - Step 4: Simplify right side
1,585,642.99x = 1,882,919,314,111.55 - Step 5: Solve for x
x = 1,882,919,314,111.55/1,585,642.99 - Step 6: Final answer
x = 1,187,479.99
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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.