Finding the Fourth Proportional to 2,177,455.78, 3,005,057.14 and 1,306,323.19
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Solution
The fourth proportional to 2,177,455.78, 3,005,057.14 and 1,306,323.19 is: 1,802,826.89
Step by Step Solution
- Step 1: Write the proportion equation
2,177,455.78 : 3,005,057.14 = 1,306,323.19 : x - Step 2: Convert to fraction form
2,177,455.78/3,005,057.14 = 1,306,323.19/x - Step 3: Cross multiply
2,177,455.78x = 3,005,057.14 × 1,306,323.19 - Step 4: Simplify right side
2,177,455.78x = 3,925,575,822,725.46 - Step 5: Solve for x
x = 3,925,575,822,725.46/2,177,455.78 - Step 6: Final answer
x = 1,802,826.89
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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.