Finding the Fourth Proportional to 2,149,356.35, 2,966,321.09 and 1,604,546.09
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Solution
The fourth proportional to 2,149,356.35, 2,966,321.09 and 1,604,546.09 is: 2,214,429.87
Step by Step Solution
- Step 1: Write the proportion equation
2,149,356.35 : 2,966,321.09 = 1,604,546.09 : x - Step 2: Convert to fraction form
2,149,356.35/2,966,321.09 = 1,604,546.09/x - Step 3: Cross multiply
2,149,356.35x = 2,966,321.09 × 1,604,546.09 - Step 4: Simplify right side
2,149,356.35x = 4,759,598,898,621.31 - Step 5: Solve for x
x = 4,759,598,898,621.31/2,149,356.35 - Step 6: Final answer
x = 2,214,429.87
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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.