Finding the Fourth Proportional to 4,289,964.16, 5,918,710.08 and 2,429,125.32
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Solution
The fourth proportional to 4,289,964.16, 5,918,710.08 and 2,429,125.32 is: 3,351,377.30
Step by Step Solution
- Step 1: Write the proportion equation
4,289,964.16 : 5,918,710.08 = 2,429,125.32 : x - Step 2: Convert to fraction form
4,289,964.16/5,918,710.08 = 2,429,125.32/x - Step 3: Cross multiply
4,289,964.16x = 5,918,710.08 × 2,429,125.32 - Step 4: Simplify right side
4,289,964.16x = 14,377,288,517,067.22 - Step 5: Solve for x
x = 14,377,288,517,067.22/4,289,964.16 - Step 6: Final answer
x = 3,351,377.30
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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.