Finding the Fourth Proportional to 3,563,775.74, 4,917,950.16 and 2,015,013.49
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Solution
The fourth proportional to 3,563,775.74, 4,917,950.16 and 2,015,013.49 is: 2,780,684.49
Step by Step Solution
- Step 1: Write the proportion equation
3,563,775.74 : 4,917,950.16 = 2,015,013.49 : x - Step 2: Convert to fraction form
3,563,775.74/4,917,950.16 = 2,015,013.49/x - Step 3: Cross multiply
3,563,775.74x = 4,917,950.16 × 2,015,013.49 - Step 4: Simplify right side
3,563,775.74x = 9,909,735,915,547.66 - Step 5: Solve for x
x = 9,909,735,915,547.66/3,563,775.74 - Step 6: Final answer
x = 2,780,684.49
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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.