Finding the Fourth Proportional to 1,729,510.28, 2,386,726.26 and 965,563.40
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Solution
The fourth proportional to 1,729,510.28, 2,386,726.26 and 965,563.40 is: 1,332,478.65
Step by Step Solution
- Step 1: Write the proportion equation
1,729,510.28 : 2,386,726.26 = 965,563.40 : x - Step 2: Convert to fraction form
1,729,510.28/2,386,726.26 = 965,563.40/x - Step 3: Cross multiply
1,729,510.28x = 2,386,726.26 × 965,563.40 - Step 4: Simplify right side
1,729,510.28x = 2,304,535,522,474.88 - Step 5: Solve for x
x = 2,304,535,522,474.88/1,729,510.28 - Step 6: Final answer
x = 1,332,478.65
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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.