Finding the Fourth Proportional to 1,539,448.88, 2,124,347.99 and 851,079.56
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Solution
The fourth proportional to 1,539,448.88, 2,124,347.99 and 851,079.56 is: 1,174,439.22
Step by Step Solution
- Step 1: Write the proportion equation
1,539,448.88 : 2,124,347.99 = 851,079.56 : x - Step 2: Convert to fraction form
1,539,448.88/2,124,347.99 = 851,079.56/x - Step 3: Cross multiply
1,539,448.88x = 2,124,347.99 × 851,079.56 - Step 4: Simplify right side
1,539,448.88x = 1,807,989,137,738.95 - Step 5: Solve for x
x = 1,807,989,137,738.95/1,539,448.88 - Step 6: Final answer
x = 1,174,439.22
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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.