Finding the Fourth Proportional to 4,124,698.24, 5,692,767.60 and 2,405,818.66
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Solution
The fourth proportional to 4,124,698.24, 5,692,767.60 and 2,405,818.66 is: 3,320,428.73
Step by Step Solution
- Step 1: Write the proportion equation
4,124,698.24 : 5,692,767.60 = 2,405,818.66 : x - Step 2: Convert to fraction form
4,124,698.24/5,692,767.60 = 2,405,818.66/x - Step 3: Cross multiply
4,124,698.24x = 5,692,767.60 × 2,405,818.66 - Step 4: Simplify right side
4,124,698.24x = 13,695,766,519,123.42 - Step 5: Solve for x
x = 13,695,766,519,123.42/4,124,698.24 - Step 6: Final answer
x = 3,320,428.73
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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.