Finding the Fourth Proportional to 1,817,160.12, 2,507,647.41 and 1,001,439.36
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Solution
The fourth proportional to 1,817,160.12, 2,507,647.41 and 1,001,439.36 is: 1,381,967.82
Step by Step Solution
- Step 1: Write the proportion equation
1,817,160.12 : 2,507,647.41 = 1,001,439.36 : x - Step 2: Convert to fraction form
1,817,160.12/2,507,647.41 = 1,001,439.36/x - Step 3: Cross multiply
1,817,160.12x = 2,507,647.41 × 1,001,439.36 - Step 4: Simplify right side
1,817,160.12x = 2,511,256,817,376.06 - Step 5: Solve for x
x = 2,511,256,817,376.06/1,817,160.12 - Step 6: Final answer
x = 1,381,967.82
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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.