Finding the Fourth Proportional to 2,545,478.40, 3,512,774.08 and 1,498,945.28
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Solution
The fourth proportional to 2,545,478.40, 3,512,774.08 and 1,498,945.28 is: 2,068,552.66
Step by Step Solution
- Step 1: Write the proportion equation
2,545,478.40 : 3,512,774.08 = 1,498,945.28 : x - Step 2: Convert to fraction form
2,545,478.40/3,512,774.08 = 1,498,945.28/x - Step 3: Cross multiply
2,545,478.40x = 3,512,774.08 × 1,498,945.28 - Step 4: Simplify right side
2,545,478.40x = 5,265,456,126,922.34 - Step 5: Solve for x
x = 5,265,456,126,922.34/2,545,478.40 - Step 6: Final answer
x = 2,068,552.66
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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.