Finding the Fourth Proportional to 2,544,497.80, 3,816,746.70 and 861,601.30
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Solution
The fourth proportional to 2,544,497.80, 3,816,746.70 and 861,601.30 is: 1,292,401.95
Step by Step Solution
- Step 1: Write the proportion equation
2,544,497.80 : 3,816,746.70 = 861,601.30 : x - Step 2: Convert to fraction form
2,544,497.80/3,816,746.70 = 861,601.30/x - Step 3: Cross multiply
2,544,497.80x = 3,816,746.70 × 861,601.30 - Step 4: Simplify right side
2,544,497.80x = 3,288,513,918,490.71 - Step 5: Solve for x
x = 3,288,513,918,490.71/2,544,497.80 - Step 6: Final answer
x = 1,292,401.95
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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.