Finding the Fourth Proportional to 1,817,310.48, 2,507,905.58 and 1,001,543.53
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Solution
The fourth proportional to 1,817,310.48, 2,507,905.58 and 1,001,543.53 is: 1,382,139.51
Step by Step Solution
- Step 1: Write the proportion equation
1,817,310.48 : 2,507,905.58 = 1,001,543.53 : x - Step 2: Convert to fraction form
1,817,310.48/2,507,905.58 = 1,001,543.53/x - Step 3: Cross multiply
1,817,310.48x = 2,507,905.58 × 1,001,543.53 - Step 4: Simplify right side
1,817,310.48x = 2,511,776,607,499.90 - Step 5: Solve for x
x = 2,511,776,607,499.90/1,817,310.48 - Step 6: Final answer
x = 1,382,139.51
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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.