Finding the Fourth Proportional to 2,126,860.30, 2,934,542.12 and 1,255,715.33
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Solution
The fourth proportional to 2,126,860.30, 2,934,542.12 and 1,255,715.33 is: 1,732,577.12
Step by Step Solution
- Step 1: Write the proportion equation
2,126,860.30 : 2,934,542.12 = 1,255,715.33 : x - Step 2: Convert to fraction form
2,126,860.30/2,934,542.12 = 1,255,715.33/x - Step 3: Cross multiply
2,126,860.30x = 2,934,542.12 × 1,255,715.33 - Step 4: Simplify right side
2,126,860.30x = 3,684,949,505,663.41 - Step 5: Solve for x
x = 3,684,949,505,663.41/2,126,860.30 - Step 6: Final answer
x = 1,732,577.12
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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.