Finding the Fourth Proportional to 2,286,440.16, 3,155,059.99 and 1,319,881.84
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Solution
The fourth proportional to 2,286,440.16, 3,155,059.99 and 1,319,881.84 is: 1,821,305.65
Step by Step Solution
- Step 1: Write the proportion equation
2,286,440.16 : 3,155,059.99 = 1,319,881.84 : x - Step 2: Convert to fraction form
2,286,440.16/3,155,059.99 = 1,319,881.84/x - Step 3: Cross multiply
2,286,440.16x = 3,155,059.99 × 1,319,881.84 - Step 4: Simplify right side
2,286,440.16x = 4,164,306,378,312.17 - Step 5: Solve for x
x = 4,164,306,378,312.17/2,286,440.16 - Step 6: Final answer
x = 1,821,305.65
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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.