Finding the Fourth Proportional to 1,551,277.12, 2,326,916.13 and 486,402.21
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Solution
The fourth proportional to 1,551,277.12, 2,326,916.13 and 486,402.21 is: 729,603.46
Step by Step Solution
- Step 1: Write the proportion equation
1,551,277.12 : 2,326,916.13 = 486,402.21 : x - Step 2: Convert to fraction form
1,551,277.12/2,326,916.13 = 486,402.21/x - Step 3: Cross multiply
1,551,277.12x = 2,326,916.13 × 486,402.21 - Step 4: Simplify right side
1,551,277.12x = 1,131,817,145,684.64 - Step 5: Solve for x
x = 1,131,817,145,684.64/1,551,277.12 - Step 6: Final answer
x = 729,603.46
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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.