Finding the Fourth Proportional to 3,086,501.77, 4,259,371.88 and 1,709,934.95
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Solution
The fourth proportional to 3,086,501.77, 4,259,371.88 and 1,709,934.95 is: 2,359,709.92
Step by Step Solution
- Step 1: Write the proportion equation
3,086,501.77 : 4,259,371.88 = 1,709,934.95 : x - Step 2: Convert to fraction form
3,086,501.77/4,259,371.88 = 1,709,934.95/x - Step 3: Cross multiply
3,086,501.77x = 4,259,371.88 × 1,709,934.95 - Step 4: Simplify right side
3,086,501.77x = 7,283,248,833,623.51 - Step 5: Solve for x
x = 7,283,248,833,623.51/3,086,501.77 - Step 6: Final answer
x = 2,359,709.92
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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.