Finding the Fourth Proportional to 1,538,052.16, 2,122,447.33 and 884,628.84
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Solution
The fourth proportional to 1,538,052.16, 2,122,447.33 and 884,628.84 is: 1,220,750.61
Step by Step Solution
- Step 1: Write the proportion equation
1,538,052.16 : 2,122,447.33 = 884,628.84 : x - Step 2: Convert to fraction form
1,538,052.16/2,122,447.33 = 884,628.84/x - Step 3: Cross multiply
1,538,052.16x = 2,122,447.33 × 884,628.84 - Step 4: Simplify right side
1,538,052.16x = 1,877,578,119,499.00 - Step 5: Solve for x
x = 1,877,578,119,499.00/1,538,052.16 - Step 6: Final answer
x = 1,220,750.61
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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.