Finding the Fourth Proportional to 4,288,637.45, 5,918,852.79 and 2,452,841.12
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Solution
The fourth proportional to 4,288,637.45, 5,918,852.79 and 2,452,841.12 is: 3,385,225.65
Step by Step Solution
- Step 1: Write the proportion equation
4,288,637.45 : 5,918,852.79 = 2,452,841.12 : x - Step 2: Convert to fraction form
4,288,637.45/5,918,852.79 = 2,452,841.12/x - Step 3: Cross multiply
4,288,637.45x = 5,918,852.79 × 2,452,841.12 - Step 4: Simplify right side
4,288,637.45x = 14,518,005,476,944.46 - Step 5: Solve for x
x = 14,518,005,476,944.46/4,288,637.45 - Step 6: Final answer
x = 3,385,225.65
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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.