Finding the Fourth Proportional to 4,590,510.40, 6,879,860.70 and 2,791,484.20
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Solution
The fourth proportional to 4,590,510.40, 6,879,860.70 and 2,791,484.20 is: 4,183,635.54
Step by Step Solution
- Step 1: Write the proportion equation
4,590,510.40 : 6,879,860.70 = 2,791,484.20 : x - Step 2: Convert to fraction form
4,590,510.40/6,879,860.70 = 2,791,484.20/x - Step 3: Cross multiply
4,590,510.40x = 6,879,860.70 × 2,791,484.20 - Step 4: Simplify right side
4,590,510.40x = 19,205,022,442,250.94 - Step 5: Solve for x
x = 19,205,022,442,250.94/4,590,510.40 - Step 6: Final answer
x = 4,183,635.54
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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.