Finding the Fourth Proportional to 6,762,642.18, 10,145,518.50 and 2,213,837.70
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Solution
The fourth proportional to 6,762,642.18, 10,145,518.50 and 2,213,837.70 is: 3,321,265.67
Step by Step Solution
- Step 1: Write the proportion equation
6,762,642.18 : 10,145,518.50 = 2,213,837.70 : x - Step 2: Convert to fraction form
6,762,642.18/10,145,518.50 = 2,213,837.70/x - Step 3: Cross multiply
6,762,642.18x = 10,145,518.50 × 2,213,837.70 - Step 4: Simplify right side
6,762,642.18x = 22,460,531,341,347.45 - Step 5: Solve for x
x = 22,460,531,341,347.45/6,762,642.18 - Step 6: Final answer
x = 3,321,265.67
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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.