Finding the Fourth Proportional to 2,077,617.60, 3,115,504.80 and 955,108.80
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Solution
The fourth proportional to 2,077,617.60, 3,115,504.80 and 955,108.80 is: 1,432,239.53
Step by Step Solution
- Step 1: Write the proportion equation
2,077,617.60 : 3,115,504.80 = 955,108.80 : x - Step 2: Convert to fraction form
2,077,617.60/3,115,504.80 = 955,108.80/x - Step 3: Cross multiply
2,077,617.60x = 3,115,504.80 × 955,108.80 - Step 4: Simplify right side
2,077,617.60x = 2,975,646,050,922.24 - Step 5: Solve for x
x = 2,975,646,050,922.24/2,077,617.60 - Step 6: Final answer
x = 1,432,239.53
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1.5x scale
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.