Finding the Fourth Proportional to 4,680,883.98, 6,459,643.79 and 2,615,934.02
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Solution
The fourth proportional to 4,680,883.98, 6,459,643.79 and 2,615,934.02 is: 3,610,002.29
Step by Step Solution
- Step 1: Write the proportion equation
4,680,883.98 : 6,459,643.79 = 2,615,934.02 : x - Step 2: Convert to fraction form
4,680,883.98/6,459,643.79 = 2,615,934.02/x - Step 3: Cross multiply
4,680,883.98x = 6,459,643.79 × 2,615,934.02 - Step 4: Simplify right side
4,680,883.98x = 16,898,001,901,964.85 - Step 5: Solve for x
x = 16,898,001,901,964.85/4,680,883.98 - Step 6: Final answer
x = 3,610,002.29
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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.