Finding the Fourth Proportional to 2,690,455.71, 4,035,698.16 and 797,213.55
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Solution
The fourth proportional to 2,690,455.71, 4,035,698.16 and 797,213.55 is: 1,195,824.65
Step by Step Solution
- Step 1: Write the proportion equation
2,690,455.71 : 4,035,698.16 = 797,213.55 : x - Step 2: Convert to fraction form
2,690,455.71/4,035,698.16 = 797,213.55/x - Step 3: Cross multiply
2,690,455.71x = 4,035,698.16 × 797,213.55 - Step 4: Simplify right side
2,690,455.71x = 3,217,313,256,862.07 - Step 5: Solve for x
x = 3,217,313,256,862.07/2,690,455.71 - Step 6: Final answer
x = 1,195,824.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.