Finding the Fourth Proportional to 2,829,135.60, 3,904,310.52 and 1,539,913.68
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Solution
The fourth proportional to 2,829,135.60, 3,904,310.52 and 1,539,913.68 is: 2,125,137.16
Step by Step Solution
- Step 1: Write the proportion equation
2,829,135.60 : 3,904,310.52 = 1,539,913.68 : x - Step 2: Convert to fraction form
2,829,135.60/3,904,310.52 = 1,539,913.68/x - Step 3: Cross multiply
2,829,135.60x = 3,904,310.52 × 1,539,913.68 - Step 4: Simplify right side
2,829,135.60x = 6,012,301,180,715.91 - Step 5: Solve for x
x = 6,012,301,180,715.91/2,829,135.60 - Step 6: Final answer
x = 2,125,137.16
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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.