Finding the Fourth Proportional to 2,586,887.20, 3,569,910.75 and 1,554,412.18
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Solution
The fourth proportional to 2,586,887.20, 3,569,910.75 and 1,554,412.18 is: 2,145,092.66
Step by Step Solution
- Step 1: Write the proportion equation
2,586,887.20 : 3,569,910.75 = 1,554,412.18 : x - Step 2: Convert to fraction form
2,586,887.20/3,569,910.75 = 1,554,412.18/x - Step 3: Cross multiply
2,586,887.20x = 3,569,910.75 × 1,554,412.18 - Step 4: Simplify right side
2,586,887.20x = 5,549,112,751,312.93 - Step 5: Solve for x
x = 5,549,112,751,312.93/2,586,887.20 - Step 6: Final answer
x = 2,145,092.66
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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.