Finding the Fourth Proportional to 1,468,447.74, 2,026,579.98 and 815,135.22
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Solution
The fourth proportional to 1,468,447.74, 2,026,579.98 and 815,135.22 is: 1,124,954.38
Step by Step Solution
- Step 1: Write the proportion equation
1,468,447.74 : 2,026,579.98 = 815,135.22 : x - Step 2: Convert to fraction form
1,468,447.74/2,026,579.98 = 815,135.22/x - Step 3: Cross multiply
1,468,447.74x = 2,026,579.98 × 815,135.22 - Step 4: Simplify right side
1,468,447.74x = 1,651,936,717,844.90 - Step 5: Solve for x
x = 1,651,936,717,844.90/1,468,447.74 - Step 6: Final answer
x = 1,124,954.38
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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.