Finding the Fourth Proportional to 6,849,163.68, 9,449,215.00 and 3,909,143.96
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Solution
The fourth proportional to 6,849,163.68, 9,449,215.00 and 3,909,143.96 is: 5,393,117.09
Step by Step Solution
- Step 1: Write the proportion equation
6,849,163.68 : 9,449,215.00 = 3,909,143.96 : x - Step 2: Convert to fraction form
6,849,163.68/9,449,215.00 = 3,909,143.96/x - Step 3: Cross multiply
6,849,163.68x = 9,449,215.00 × 3,909,143.96 - Step 4: Simplify right side
6,849,163.68x = 36,938,341,736,605.51 - Step 5: Solve for x
x = 36,938,341,736,605.51/6,849,163.68 - Step 6: Final answer
x = 5,393,117.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.