Finding the Fourth Proportional to 2,944,388.40, 4,417,894.80 and 1,346,128.80
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Solution
The fourth proportional to 2,944,388.40, 4,417,894.80 and 1,346,128.80 is: 2,019,793.12
Step by Step Solution
- Step 1: Write the proportion equation
2,944,388.40 : 4,417,894.80 = 1,346,128.80 : x - Step 2: Convert to fraction form
2,944,388.40/4,417,894.80 = 1,346,128.80/x - Step 3: Cross multiply
2,944,388.40x = 4,417,894.80 × 1,346,128.80 - Step 4: Simplify right side
2,944,388.40x = 5,947,055,425,650.24 - Step 5: Solve for x
x = 5,947,055,425,650.24/2,944,388.40 - Step 6: Final answer
x = 2,019,793.12
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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.