Finding the Fourth Proportional to 2,177,947.44, 3,005,124.84 and 1,272,354.48
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Solution
The fourth proportional to 2,177,947.44, 3,005,124.84 and 1,272,354.48 is: 1,755,590.60
Step by Step Solution
- Step 1: Write the proportion equation
2,177,947.44 : 3,005,124.84 = 1,272,354.48 : x - Step 2: Convert to fraction form
2,177,947.44/3,005,124.84 = 1,272,354.48/x - Step 3: Cross multiply
2,177,947.44x = 3,005,124.84 × 1,272,354.48 - Step 4: Simplify right side
2,177,947.44x = 3,823,584,053,133.28 - Step 5: Solve for x
x = 3,823,584,053,133.28/2,177,947.44 - Step 6: Final answer
x = 1,755,590.60
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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.