Finding the Fourth Proportional to 1,663,753.40, 2,295,979.68 and 899,806.96
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Solution
The fourth proportional to 1,663,753.40, 2,295,979.68 and 899,806.96 is: 1,241,733.60
Step by Step Solution
- Step 1: Write the proportion equation
1,663,753.40 : 2,295,979.68 = 899,806.96 : x - Step 2: Convert to fraction form
1,663,753.40/2,295,979.68 = 899,806.96/x - Step 3: Cross multiply
1,663,753.40x = 2,295,979.68 × 899,806.96 - Step 4: Simplify right side
1,663,753.40x = 2,065,938,497,265.41 - Step 5: Solve for x
x = 2,065,938,497,265.41/1,663,753.40 - Step 6: Final answer
x = 1,241,733.60
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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.