Finding the Fourth Proportional to 3,117,058.60, 4,675,854.12 and 1,095,126.88
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Solution
The fourth proportional to 3,117,058.60, 4,675,854.12 and 1,095,126.88 is: 1,642,783.85
Step by Step Solution
- Step 1: Write the proportion equation
3,117,058.60 : 4,675,854.12 = 1,095,126.88 : x - Step 2: Convert to fraction form
3,117,058.60/4,675,854.12 = 1,095,126.88/x - Step 3: Cross multiply
3,117,058.60x = 4,675,854.12 × 1,095,126.88 - Step 4: Simplify right side
3,117,058.60x = 5,120,653,533,770.75 - Step 5: Solve for x
x = 5,120,653,533,770.75/3,117,058.60 - Step 6: Final answer
x = 1,642,783.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.