Finding the Fourth Proportional to 1,670,453.80, 2,305,227.71 and 906,507.36
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Solution
The fourth proportional to 1,670,453.80, 2,305,227.71 and 906,507.36 is: 1,250,980.96
Step by Step Solution
- Step 1: Write the proportion equation
1,670,453.80 : 2,305,227.71 = 906,507.36 : x - Step 2: Convert to fraction form
1,670,453.80/2,305,227.71 = 906,507.36/x - Step 3: Cross multiply
1,670,453.80x = 2,305,227.71 × 906,507.36 - Step 4: Simplify right side
1,670,453.80x = 2,089,705,887,857.21 - Step 5: Solve for x
x = 2,089,705,887,857.21/1,670,453.80 - Step 6: Final answer
x = 1,250,980.96
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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.