Finding the Fourth Proportional to 1,382,054.95, 2,073,248.49 and 1,306,472.23
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Solution
The fourth proportional to 1,382,054.95, 2,073,248.49 and 1,306,472.23 is: 1,959,865.33
Step by Step Solution
- Step 1: Write the proportion equation
1,382,054.95 : 2,073,248.49 = 1,306,472.23 : x - Step 2: Convert to fraction form
1,382,054.95/2,073,248.49 = 1,306,472.23/x - Step 3: Cross multiply
1,382,054.95x = 2,073,248.49 × 1,306,472.23 - Step 4: Simplify right side
1,382,054.95x = 2,708,641,567,708.19 - Step 5: Solve for x
x = 2,708,641,567,708.19/1,382,054.95 - Step 6: Final answer
x = 1,959,865.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.