Finding the Fourth Proportional to 5,755,639.34, 7,942,574.12 and 3,177,264.76
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Solution
The fourth proportional to 5,755,639.34, 7,942,574.12 and 3,177,264.76 is: 4,384,510.45
Step by Step Solution
- Step 1: Write the proportion equation
5,755,639.34 : 7,942,574.12 = 3,177,264.76 : x - Step 2: Convert to fraction form
5,755,639.34/7,942,574.12 = 3,177,264.76/x - Step 3: Cross multiply
5,755,639.34x = 7,942,574.12 × 3,177,264.76 - Step 4: Simplify right side
5,755,639.34x = 25,235,660,855,164.01 - Step 5: Solve for x
x = 25,235,660,855,164.01/5,755,639.34 - Step 6: Final answer
x = 4,384,510.45
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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.