Finding the Fourth Proportional to 6,503,634.60, 8,975,011.05 and 3,563,454.48
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Solution
The fourth proportional to 6,503,634.60, 8,975,011.05 and 3,563,454.48 is: 4,917,564.61
Step by Step Solution
- Step 1: Write the proportion equation
6,503,634.60 : 8,975,011.05 = 3,563,454.48 : x - Step 2: Convert to fraction form
6,503,634.60/8,975,011.05 = 3,563,454.48/x - Step 3: Cross multiply
6,503,634.60x = 8,975,011.05 × 3,563,454.48 - Step 4: Simplify right side
6,503,634.60x = 31,982,043,334,172.01 - Step 5: Solve for x
x = 31,982,043,334,172.01/6,503,634.60 - Step 6: Final answer
x = 4,917,564.61
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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.