Finding the Fourth Proportional to 3,710,294.37, 5,120,746.76 and 2,078,811.99
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Solution
The fourth proportional to 3,710,294.37, 5,120,746.76 and 2,078,811.99 is: 2,869,063.39
Step by Step Solution
- Step 1: Write the proportion equation
3,710,294.37 : 5,120,746.76 = 2,078,811.99 : x - Step 2: Convert to fraction form
3,710,294.37/5,120,746.76 = 2,078,811.99/x - Step 3: Cross multiply
3,710,294.37x = 5,120,746.76 × 2,078,811.99 - Step 4: Simplify right side
3,710,294.37x = 10,645,069,752,047.59 - Step 5: Solve for x
x = 10,645,069,752,047.59/3,710,294.37 - Step 6: Final answer
x = 2,869,063.39
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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.