Finding the Fourth Proportional to 2,078,786, 2,868,724.68 and 1,124,930
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Solution
The fourth proportional to 2,078,786, 2,868,724.68 and 1,124,930 is: 1,552,403.40
Step by Step Solution
- Step 1: Write the proportion equation
2,078,786 : 2,868,724.68 = 1,124,930 : x - Step 2: Convert to fraction form
2,078,786/2,868,724.68 = 1,124,930/x - Step 3: Cross multiply
2,078,786x = 2,868,724.68 × 1,124,930 - Step 4: Simplify right side
2,078,786x = 3,227,114,454,272.40 - Step 5: Solve for x
x = 3,227,114,454,272.40/2,078,786 - Step 6: Final answer
x = 1,552,403.40
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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.