Finding the Fourth Proportional to 6,749,957.81, 10,125,988.50 and 2,199,950.99
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Solution
The fourth proportional to 6,749,957.81, 10,125,988.50 and 2,199,950.99 is: 3,300,269.28
Step by Step Solution
- Step 1: Write the proportion equation
6,749,957.81 : 10,125,988.50 = 2,199,950.99 : x - Step 2: Convert to fraction form
6,749,957.81/10,125,988.50 = 2,199,950.99/x - Step 3: Cross multiply
6,749,957.81x = 10,125,988.50 × 2,199,950.99 - Step 4: Simplify right side
6,749,957.81x = 22,276,678,420,895.95 - Step 5: Solve for x
x = 22,276,678,420,895.95/6,749,957.81 - Step 6: Final answer
x = 3,300,269.28
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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.