Finding the Fourth Proportional to 2,430,737.51, 3,354,485.40 and 1,343,079.17
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Solution
The fourth proportional to 2,430,737.51, 3,354,485.40 and 1,343,079.17 is: 1,853,486.63
Step by Step Solution
- Step 1: Write the proportion equation
2,430,737.51 : 3,354,485.40 = 1,343,079.17 : x - Step 2: Convert to fraction form
2,430,737.51/3,354,485.40 = 1,343,079.17/x - Step 3: Cross multiply
2,430,737.51x = 3,354,485.40 × 1,343,079.17 - Step 4: Simplify right side
2,430,737.51x = 4,505,339,466,809.12 - Step 5: Solve for x
x = 4,505,339,466,809.12/2,430,737.51 - Step 6: Final answer
x = 1,853,486.63
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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.