Finding the Fourth Proportional to 1,817,121.08, 2,507,643.88 and 1,001,353.94
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Solution
The fourth proportional to 1,817,121.08, 2,507,643.88 and 1,001,353.94 is: 1,381,877.69
Step by Step Solution
- Step 1: Write the proportion equation
1,817,121.08 : 2,507,643.88 = 1,001,353.94 : x - Step 2: Convert to fraction form
1,817,121.08/2,507,643.88 = 1,001,353.94/x - Step 3: Cross multiply
1,817,121.08x = 2,507,643.88 × 1,001,353.94 - Step 4: Simplify right side
1,817,121.08x = 2,511,039,079,354.89 - Step 5: Solve for x
x = 2,511,039,079,354.89/1,817,121.08 - Step 6: Final answer
x = 1,381,877.69
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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.