Finding the Fourth Proportional to 1,486,887.09, 2,051,776.63 and 824,617.92
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Solution
The fourth proportional to 1,486,887.09, 2,051,776.63 and 824,617.92 is: 1,137,901.99
Step by Step Solution
- Step 1: Write the proportion equation
1,486,887.09 : 2,051,776.63 = 824,617.92 : x - Step 2: Convert to fraction form
1,486,887.09/2,051,776.63 = 824,617.92/x - Step 3: Cross multiply
1,486,887.09x = 2,051,776.63 × 824,617.92 - Step 4: Simplify right side
1,486,887.09x = 1,691,931,776,935.21 - Step 5: Solve for x
x = 1,691,931,776,935.21/1,486,887.09 - Step 6: Final answer
x = 1,137,901.99
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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.