Finding the Fourth Proportional to 4,892,862.60, 7,340,168.70 and 2,053,261.80
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Solution
The fourth proportional to 4,892,862.60, 7,340,168.70 and 2,053,261.80 is: 3,080,259.80
Step by Step Solution
- Step 1: Write the proportion equation
4,892,862.60 : 7,340,168.70 = 2,053,261.80 : x - Step 2: Convert to fraction form
4,892,862.60/7,340,168.70 = 2,053,261.80/x - Step 3: Cross multiply
4,892,862.60x = 7,340,168.70 × 2,053,261.80 - Step 4: Simplify right side
4,892,862.60x = 15,071,287,997,265.66 - Step 5: Solve for x
x = 15,071,287,997,265.66/4,892,862.60 - Step 6: Final answer
x = 3,080,259.80
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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.