Finding the Fourth Proportional to 1,872,687.68, 2,584,290.60 and 1,013,229.08
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Solution
The fourth proportional to 1,872,687.68, 2,584,290.60 and 1,013,229.08 is: 1,398,246.18
Step by Step Solution
- Step 1: Write the proportion equation
1,872,687.68 : 2,584,290.60 = 1,013,229.08 : x - Step 2: Convert to fraction form
1,872,687.68/2,584,290.60 = 1,013,229.08/x - Step 3: Cross multiply
1,872,687.68x = 2,584,290.60 × 1,013,229.08 - Step 4: Simplify right side
1,872,687.68x = 2,618,478,387,090.65 - Step 5: Solve for x
x = 2,618,478,387,090.65/1,872,687.68 - Step 6: Final answer
x = 1,398,246.18
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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.