Finding the Fourth Proportional to 2,147,673.36, 2,963,613.90 and 1,264,483.10
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Solution
The fourth proportional to 2,147,673.36, 2,963,613.90 and 1,264,483.10 is: 1,744,883.45
Step by Step Solution
- Step 1: Write the proportion equation
2,147,673.36 : 2,963,613.90 = 1,264,483.10 : x - Step 2: Convert to fraction form
2,147,673.36/2,963,613.90 = 1,264,483.10/x - Step 3: Cross multiply
2,147,673.36x = 2,963,613.90 × 1,264,483.10 - Step 4: Simplify right side
2,147,673.36x = 3,747,439,691,475.09 - Step 5: Solve for x
x = 3,747,439,691,475.09/2,147,673.36 - Step 6: Final answer
x = 1,744,883.45
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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.