Finding the Fourth Proportional to 4,430,710.80, 6,642,056.70 and 3,083,518.80
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Solution
The fourth proportional to 4,430,710.80, 6,642,056.70 and 3,083,518.80 is: 4,622,487.82
Step by Step Solution
- Step 1: Write the proportion equation
4,430,710.80 : 6,642,056.70 = 3,083,518.80 : x - Step 2: Convert to fraction form
4,430,710.80/6,642,056.70 = 3,083,518.80/x - Step 3: Cross multiply
4,430,710.80x = 6,642,056.70 × 3,083,518.80 - Step 4: Simplify right side
4,430,710.80x = 20,480,906,705,115.96 - Step 5: Solve for x
x = 20,480,906,705,115.96/4,430,710.80 - Step 6: Final answer
x = 4,622,487.82
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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.