Finding the Fourth Proportional to 1,670,449.31, 2,305,221.56 and 906,502.88
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Solution
The fourth proportional to 1,670,449.31, 2,305,221.56 and 906,502.88 is: 1,250,974.80
Step by Step Solution
- Step 1: Write the proportion equation
1,670,449.31 : 2,305,221.56 = 906,502.88 : x - Step 2: Convert to fraction form
1,670,449.31/2,305,221.56 = 906,502.88/x - Step 3: Cross multiply
1,670,449.31x = 2,305,221.56 × 906,502.88 - Step 4: Simplify right side
1,670,449.31x = 2,089,689,983,178.09 - Step 5: Solve for x
x = 2,089,689,983,178.09/1,670,449.31 - Step 6: Final answer
x = 1,250,974.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.