Finding the Fourth Proportional to 1,820,128.41, 2,511,774.25 and 1,004,331.49
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Solution
The fourth proportional to 1,820,128.41, 2,511,774.25 and 1,004,331.49 is: 1,385,975.82
Step by Step Solution
- Step 1: Write the proportion equation
1,820,128.41 : 2,511,774.25 = 1,004,331.49 : x - Step 2: Convert to fraction form
1,820,128.41/2,511,774.25 = 1,004,331.49/x - Step 3: Cross multiply
1,820,128.41x = 2,511,774.25 × 1,004,331.49 - Step 4: Simplify right side
1,820,128.41x = 2,522,653,966,255.87 - Step 5: Solve for x
x = 2,522,653,966,255.87/1,820,128.41 - Step 6: Final answer
x = 1,385,975.82
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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.