Finding the Fourth Proportional to 4,668,575.06, 6,447,948.03 and 3,138,024.98
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Solution
The fourth proportional to 4,668,575.06, 6,447,948.03 and 3,138,024.98 is: 4,334,046.63
Step by Step Solution
- Step 1: Write the proportion equation
4,668,575.06 : 6,447,948.03 = 3,138,024.98 : x - Step 2: Convert to fraction form
4,668,575.06/6,447,948.03 = 3,138,024.98/x - Step 3: Cross multiply
4,668,575.06x = 6,447,948.03 × 3,138,024.98 - Step 4: Simplify right side
4,668,575.06x = 20,233,822,004,001.66 - Step 5: Solve for x
x = 20,233,822,004,001.66/4,668,575.06 - Step 6: Final answer
x = 4,334,046.63
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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.