Finding the Fourth Proportional to 1,778,541.30, 2,449,211.58 and 1,545,863.94
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Solution
The fourth proportional to 1,778,541.30, 2,449,211.58 and 1,545,863.94 is: 2,128,793.90
Step by Step Solution
- Step 1: Write the proportion equation
1,778,541.30 : 2,449,211.58 = 1,545,863.94 : x - Step 2: Convert to fraction form
1,778,541.30/2,449,211.58 = 1,545,863.94/x - Step 3: Cross multiply
1,778,541.30x = 2,449,211.58 × 1,545,863.94 - Step 4: Simplify right side
1,778,541.30x = 3,786,147,862,952.43 - Step 5: Solve for x
x = 3,786,147,862,952.43/1,778,541.30 - Step 6: Final answer
x = 2,128,793.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.