Finding the Fourth Proportional to 3,559,348.76, 4,912,332.84 and 2,010,675.68
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Solution
The fourth proportional to 3,559,348.76, 4,912,332.84 and 2,010,675.68 is: 2,774,976.22
Step by Step Solution
- Step 1: Write the proportion equation
3,559,348.76 : 4,912,332.84 = 2,010,675.68 : x - Step 2: Convert to fraction form
3,559,348.76/4,912,332.84 = 2,010,675.68/x - Step 3: Cross multiply
3,559,348.76x = 4,912,332.84 × 2,010,675.68 - Step 4: Simplify right side
3,559,348.76x = 9,877,108,173,453.33 - Step 5: Solve for x
x = 9,877,108,173,453.33/3,559,348.76 - Step 6: Final answer
x = 2,774,976.22
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Double scale
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1.5x scale
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.