Finding the Fourth Proportional to 5,012,817.84, 7,519,372.56 and 1,226,299.50
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Solution
The fourth proportional to 5,012,817.84, 7,519,372.56 and 1,226,299.50 is: 1,839,484.92
Step by Step Solution
- Step 1: Write the proportion equation
5,012,817.84 : 7,519,372.56 = 1,226,299.50 : x - Step 2: Convert to fraction form
5,012,817.84/7,519,372.56 = 1,226,299.50/x - Step 3: Cross multiply
5,012,817.84x = 7,519,372.56 × 1,226,299.50 - Step 4: Simplify right side
5,012,817.84x = 9,221,002,810,641.72 - Step 5: Solve for x
x = 9,221,002,810,641.72/5,012,817.84 - Step 6: Final answer
x = 1,839,484.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.