Finding the Fourth Proportional to 1,456,195.95, 2,009,559.77 and 811,657.08
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Solution
The fourth proportional to 1,456,195.95, 2,009,559.77 and 811,657.08 is: 1,120,091.99
Step by Step Solution
- Step 1: Write the proportion equation
1,456,195.95 : 2,009,559.77 = 811,657.08 : x - Step 2: Convert to fraction form
1,456,195.95/2,009,559.77 = 811,657.08/x - Step 3: Cross multiply
1,456,195.95x = 2,009,559.77 × 811,657.08 - Step 4: Simplify right side
1,456,195.95x = 1,631,073,415,003.67 - Step 5: Solve for x
x = 1,631,073,415,003.67/1,456,195.95 - Step 6: Final answer
x = 1,120,091.99
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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.