Finding the Fourth Proportional to 2,439,536.15, 3,659,483.97 and 642,407.18
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Solution
The fourth proportional to 2,439,536.15, 3,659,483.97 and 642,407.18 is: 963,658.10
Step by Step Solution
- Step 1: Write the proportion equation
2,439,536.15 : 3,659,483.97 = 642,407.18 : x - Step 2: Convert to fraction form
2,439,536.15/3,659,483.97 = 642,407.18/x - Step 3: Cross multiply
2,439,536.15x = 3,659,483.97 × 642,407.18 - Step 4: Simplify right side
2,439,536.15x = 2,350,878,759,125.49 - Step 5: Solve for x
x = 2,350,878,759,125.49/2,439,536.15 - Step 6: Final answer
x = 963,658.10
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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.