Finding the Fourth Proportional to 2,299,736.16, 3,173,734.08 and 1,281,140.64
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Solution
The fourth proportional to 2,299,736.16, 3,173,734.08 and 1,281,140.64 is: 1,768,028.78
Step by Step Solution
- Step 1: Write the proportion equation
2,299,736.16 : 3,173,734.08 = 1,281,140.64 : x - Step 2: Convert to fraction form
2,299,736.16/3,173,734.08 = 1,281,140.64/x - Step 3: Cross multiply
2,299,736.16x = 3,173,734.08 × 1,281,140.64 - Step 4: Simplify right side
2,299,736.16x = 4,065,999,710,441.01 - Step 5: Solve for x
x = 4,065,999,710,441.01/2,299,736.16 - Step 6: Final answer
x = 1,768,028.78
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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.