Finding the Fourth Proportional to 1,681,695.44, 2,320,739.07 and 917,749.00
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Solution
The fourth proportional to 1,681,695.44, 2,320,739.07 and 917,749.00 is: 1,266,493.27
Step by Step Solution
- Step 1: Write the proportion equation
1,681,695.44 : 2,320,739.07 = 917,749.00 : x - Step 2: Convert to fraction form
1,681,695.44/2,320,739.07 = 917,749.00/x - Step 3: Cross multiply
1,681,695.44x = 2,320,739.07 × 917,749.00 - Step 4: Simplify right side
1,681,695.44x = 2,129,855,960,212.80 - Step 5: Solve for x
x = 2,129,855,960,212.80/1,681,695.44 - Step 6: Final answer
x = 1,266,493.27
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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.