Finding the Fourth Proportional to 1,817,189.16, 2,507,737.62 and 1,001,422.09
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Solution
The fourth proportional to 1,817,189.16, 2,507,737.62 and 1,001,422.09 is: 1,381,971.62
Step by Step Solution
- Step 1: Write the proportion equation
1,817,189.16 : 2,507,737.62 = 1,001,422.09 : x - Step 2: Convert to fraction form
1,817,189.16/2,507,737.62 = 1,001,422.09/x - Step 3: Cross multiply
1,817,189.16x = 2,507,737.62 × 1,001,422.09 - Step 4: Simplify right side
1,817,189.16x = 2,511,303,848,592.03 - Step 5: Solve for x
x = 2,511,303,848,592.03/1,817,189.16 - Step 6: Final answer
x = 1,381,971.62
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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.