Finding the Fourth Proportional to 4,517,859.36, 6,774,799.68 and 2,122,384.80
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Solution
The fourth proportional to 4,517,859.36, 6,774,799.68 and 2,122,384.80 is: 3,182,642.65
Step by Step Solution
- Step 1: Write the proportion equation
4,517,859.36 : 6,774,799.68 = 2,122,384.80 : x - Step 2: Convert to fraction form
4,517,859.36/6,774,799.68 = 2,122,384.80/x - Step 3: Cross multiply
4,517,859.36x = 6,774,799.68 × 2,122,384.80 - Step 4: Simplify right side
4,517,859.36x = 14,378,731,863,876.86 - Step 5: Solve for x
x = 14,378,731,863,876.86/4,517,859.36 - Step 6: Final answer
x = 3,182,642.65
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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.