Finding the Fourth Proportional to 2,701,510.88, 3,728,177.12 and 1,540,128.88
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Solution
The fourth proportional to 2,701,510.88, 3,728,177.12 and 1,540,128.88 is: 2,125,430.36
Step by Step Solution
- Step 1: Write the proportion equation
2,701,510.88 : 3,728,177.12 = 1,540,128.88 : x - Step 2: Convert to fraction form
2,701,510.88/3,728,177.12 = 1,540,128.88/x - Step 3: Cross multiply
2,701,510.88x = 3,728,177.12 × 1,540,128.88 - Step 4: Simplify right side
2,701,510.88x = 5,741,873,252,267.23 - Step 5: Solve for x
x = 5,741,873,252,267.23/2,701,510.88 - Step 6: Final answer
x = 2,125,430.36
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1.5x scale
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.