Finding the Fourth Proportional to 3,086,565.18, 4,259,721.62 and 1,710,340.60
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Solution
The fourth proportional to 3,086,565.18, 4,259,721.62 and 1,710,340.60 is: 2,360,415.02
Step by Step Solution
- Step 1: Write the proportion equation
3,086,565.18 : 4,259,721.62 = 1,710,340.60 : x - Step 2: Convert to fraction form
3,086,565.18/4,259,721.62 = 1,710,340.60/x - Step 3: Cross multiply
3,086,565.18x = 4,259,721.62 × 1,710,340.60 - Step 4: Simplify right side
3,086,565.18x = 7,285,574,812,182.77 - Step 5: Solve for x
x = 7,285,574,812,182.77/3,086,565.18 - Step 6: Final answer
x = 2,360,415.02
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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.