Finding the Fourth Proportional to 1,965,752.09, 2,713,574.95 and 1,321,545.92
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Solution
The fourth proportional to 1,965,752.09, 2,713,574.95 and 1,321,545.92 is: 1,824,296.12
Step by Step Solution
- Step 1: Write the proportion equation
1,965,752.09 : 2,713,574.95 = 1,321,545.92 : x - Step 2: Convert to fraction form
1,965,752.09/2,713,574.95 = 1,321,545.92/x - Step 3: Cross multiply
1,965,752.09x = 2,713,574.95 × 1,321,545.92 - Step 4: Simplify right side
1,965,752.09x = 3,586,113,907,266.78 - Step 5: Solve for x
x = 3,586,113,907,266.78/1,965,752.09 - Step 6: Final answer
x = 1,824,296.12
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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.