Finding the Fourth Proportional to 1,415,329.38, 1,953,236.63 and 1,065,844.09
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Solution
The fourth proportional to 1,415,329.38, 1,953,236.63 and 1,065,844.09 is: 1,470,926.66
Step by Step Solution
- Step 1: Write the proportion equation
1,415,329.38 : 1,953,236.63 = 1,065,844.09 : x - Step 2: Convert to fraction form
1,415,329.38/1,953,236.63 = 1,065,844.09/x - Step 3: Cross multiply
1,415,329.38x = 1,953,236.63 × 1,065,844.09 - Step 4: Simplify right side
1,415,329.38x = 2,081,845,718,457.02 - Step 5: Solve for x
x = 2,081,845,718,457.02/1,415,329.38 - Step 6: Final answer
x = 1,470,926.66
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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.