Finding the Fourth Proportional to 2,285,569.12, 3,153,873.36 and 1,266,887.20
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Solution
The fourth proportional to 2,285,569.12, 3,153,873.36 and 1,266,887.20 is: 1,748,186.81
Step by Step Solution
- Step 1: Write the proportion equation
2,285,569.12 : 3,153,873.36 = 1,266,887.20 : x - Step 2: Convert to fraction form
2,285,569.12/3,153,873.36 = 1,266,887.20/x - Step 3: Cross multiply
2,285,569.12x = 3,153,873.36 × 1,266,887.20 - Step 4: Simplify right side
2,285,569.12x = 3,995,601,790,204.99 - Step 5: Solve for x
x = 3,995,601,790,204.99/2,285,569.12 - Step 6: Final answer
x = 1,748,186.81
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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.