Finding the Fourth Proportional to 6,434,446.47, 9,651,661.56 and 1,642,135.74
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Solution
The fourth proportional to 6,434,446.47, 9,651,661.56 and 1,642,135.74 is: 2,463,201.53
Step by Step Solution
- Step 1: Write the proportion equation
6,434,446.47 : 9,651,661.56 = 1,642,135.74 : x - Step 2: Convert to fraction form
6,434,446.47/9,651,661.56 = 1,642,135.74/x - Step 3: Cross multiply
6,434,446.47x = 9,651,661.56 × 1,642,135.74 - Step 4: Simplify right side
6,434,446.47x = 15,849,338,398,060.15 - Step 5: Solve for x
x = 15,849,338,398,060.15/6,434,446.47 - Step 6: Final answer
x = 2,463,201.53
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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.