Finding the Fourth Proportional to 1,663,789.14, 2,296,134 and 938,372.18
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Solution
The fourth proportional to 1,663,789.14, 2,296,134 and 938,372.18 is: 1,295,012.82
Step by Step Solution
- Step 1: Write the proportion equation
1,663,789.14 : 2,296,134 = 938,372.18 : x - Step 2: Convert to fraction form
1,663,789.14/2,296,134 = 938,372.18/x - Step 3: Cross multiply
1,663,789.14x = 2,296,134 × 938,372.18 - Step 4: Simplify right side
1,663,789.14x = 2,154,628,267,152.12 - Step 5: Solve for x
x = 2,154,628,267,152.12/1,663,789.14 - Step 6: Final answer
x = 1,295,012.82
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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.