Finding the Fourth Proportional to 2,848,639.84, 3,931,122.68 and 1,559,476.24
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Solution
The fourth proportional to 2,848,639.84, 3,931,122.68 and 1,559,476.24 is: 2,152,077.05
Step by Step Solution
- Step 1: Write the proportion equation
2,848,639.84 : 3,931,122.68 = 1,559,476.24 : x - Step 2: Convert to fraction form
2,848,639.84/3,931,122.68 = 1,559,476.24/x - Step 3: Cross multiply
2,848,639.84x = 3,931,122.68 × 1,559,476.24 - Step 4: Simplify right side
2,848,639.84x = 6,130,492,415,985.12 - Step 5: Solve for x
x = 6,130,492,415,985.12/2,848,639.84 - Step 6: Final answer
x = 2,152,077.05
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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.