Finding the Fourth Proportional to 1,820,102.40, 2,512,240.92 and 1,056,402
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Solution
The fourth proportional to 1,820,102.40, 2,512,240.92 and 1,056,402 is: 1,458,124.74
Step by Step Solution
- Step 1: Write the proportion equation
1,820,102.40 : 2,512,240.92 = 1,056,402 : x - Step 2: Convert to fraction form
1,820,102.40/2,512,240.92 = 1,056,402/x - Step 3: Cross multiply
1,820,102.40x = 2,512,240.92 × 1,056,402 - Step 4: Simplify right side
1,820,102.40x = 2,653,936,332,369.84 - Step 5: Solve for x
x = 2,653,936,332,369.84/1,820,102.40 - Step 6: Final answer
x = 1,458,124.74
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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.