Finding the Fourth Proportional to 1,395,433.11, 2,090,347.08 and 636,230.23
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Solution
The fourth proportional to 1,395,433.11, 2,090,347.08 and 636,230.23 is: 953,067.54
Step by Step Solution
- Step 1: Write the proportion equation
1,395,433.11 : 2,090,347.08 = 636,230.23 : x - Step 2: Convert to fraction form
1,395,433.11/2,090,347.08 = 636,230.23/x - Step 3: Cross multiply
1,395,433.11x = 2,090,347.08 × 636,230.23 - Step 4: Simplify right side
1,395,433.11x = 1,329,942,003,488.23 - Step 5: Solve for x
x = 1,329,942,003,488.23/1,395,433.11 - Step 6: Final answer
x = 953,067.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.