Finding the Fourth Proportional to 1,553,570.24, 2,143,346.62 and 1,551,175.24
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Solution
The fourth proportional to 1,553,570.24, 2,143,346.62 and 1,551,175.24 is: 2,140,042.41
Step by Step Solution
- Step 1: Write the proportion equation
1,553,570.24 : 2,143,346.62 = 1,551,175.24 : x - Step 2: Convert to fraction form
1,553,570.24/2,143,346.62 = 1,551,175.24/x - Step 3: Cross multiply
1,553,570.24x = 2,143,346.62 × 1,551,175.24 - Step 4: Simplify right side
1,553,570.24x = 3,324,706,207,681.69 - Step 5: Solve for x
x = 3,324,706,207,681.69/1,553,570.24 - Step 6: Final answer
x = 2,140,042.41
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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.