Finding the Fourth Proportional to 2,286,443.99, 3,155,065.26 and 1,319,885.66
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Solution
The fourth proportional to 2,286,443.99, 3,155,065.26 and 1,319,885.66 is: 1,821,310.91
Step by Step Solution
- Step 1: Write the proportion equation
2,286,443.99 : 3,155,065.26 = 1,319,885.66 : x - Step 2: Convert to fraction form
2,286,443.99/3,155,065.26 = 1,319,885.66/x - Step 3: Cross multiply
2,286,443.99x = 3,155,065.26 × 1,319,885.66 - Step 4: Simplify right side
2,286,443.99x = 4,164,325,393,038.17 - Step 5: Solve for x
x = 4,164,325,393,038.17/2,286,443.99 - Step 6: Final answer
x = 1,821,310.91
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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.