Finding the Fourth Proportional to 4,282,346.70, 5,910,012.20 and 2,348,980.95
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Solution
The fourth proportional to 4,282,346.70, 5,910,012.20 and 2,348,980.95 is: 3,241,798.72
Step by Step Solution
- Step 1: Write the proportion equation
4,282,346.70 : 5,910,012.20 = 2,348,980.95 : x - Step 2: Convert to fraction form
4,282,346.70/5,910,012.20 = 2,348,980.95/x - Step 3: Cross multiply
4,282,346.70x = 5,910,012.20 × 2,348,980.95 - Step 4: Simplify right side
4,282,346.70x = 13,882,506,072,067.59 - Step 5: Solve for x
x = 13,882,506,072,067.59/4,282,346.70 - Step 6: Final answer
x = 3,241,798.72
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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.