Finding the Fourth Proportional to 3,023,434.68, 4,172,339.46 and 1,665,307.68
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Solution
The fourth proportional to 3,023,434.68, 4,172,339.46 and 1,665,307.68 is: 2,298,124.38
Step by Step Solution
- Step 1: Write the proportion equation
3,023,434.68 : 4,172,339.46 = 1,665,307.68 : x - Step 2: Convert to fraction form
3,023,434.68/4,172,339.46 = 1,665,307.68/x - Step 3: Cross multiply
3,023,434.68x = 4,172,339.46 × 1,665,307.68 - Step 4: Simplify right side
3,023,434.68x = 6,948,228,946,305.05 - Step 5: Solve for x
x = 6,948,228,946,305.05/3,023,434.68 - Step 6: Final answer
x = 2,298,124.38
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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.