Finding the Fourth Proportional to 1,836,788.55, 2,534,798.46 and 1,009,896.99
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Solution
The fourth proportional to 1,836,788.55, 2,534,798.46 and 1,009,896.99 is: 1,393,674.48
Step by Step Solution
- Step 1: Write the proportion equation
1,836,788.55 : 2,534,798.46 = 1,009,896.99 : x - Step 2: Convert to fraction form
1,836,788.55/2,534,798.46 = 1,009,896.99/x - Step 3: Cross multiply
1,836,788.55x = 2,534,798.46 × 1,009,896.99 - Step 4: Simplify right side
1,836,788.55x = 2,559,885,335,010.64 - Step 5: Solve for x
x = 2,559,885,335,010.64/1,836,788.55 - Step 6: Final answer
x = 1,393,674.48
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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.