Finding the Fourth Proportional to 2,281,122.63, 3,147,735.54 and 1,363,169.02
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Solution
The fourth proportional to 2,281,122.63, 3,147,735.54 and 1,363,169.02 is: 1,881,045.55
Step by Step Solution
- Step 1: Write the proportion equation
2,281,122.63 : 3,147,735.54 = 1,363,169.02 : x - Step 2: Convert to fraction form
2,281,122.63/3,147,735.54 = 1,363,169.02/x - Step 3: Cross multiply
2,281,122.63x = 3,147,735.54 × 1,363,169.02 - Step 4: Simplify right side
2,281,122.63x = 4,290,895,571,280.97 - Step 5: Solve for x
x = 4,290,895,571,280.97/2,281,122.63 - Step 6: Final answer
x = 1,881,045.55
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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.