Finding the Fourth Proportional to 2,518,859.78, 3,476,027.48 and 1,431,132.78
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Solution
The fourth proportional to 2,518,859.78, 3,476,027.48 and 1,431,132.78 is: 1,974,963.80
Step by Step Solution
- Step 1: Write the proportion equation
2,518,859.78 : 3,476,027.48 = 1,431,132.78 : x - Step 2: Convert to fraction form
2,518,859.78/3,476,027.48 = 1,431,132.78/x - Step 3: Cross multiply
2,518,859.78x = 3,476,027.48 × 1,431,132.78 - Step 4: Simplify right side
2,518,859.78x = 4,974,656,870,808.80 - Step 5: Solve for x
x = 4,974,656,870,808.80/2,518,859.78 - Step 6: Final answer
x = 1,974,963.80
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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.