Finding the Fourth Proportional to 3,944,069.48, 5,915,509.68 and 1,248,044.42
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Solution
The fourth proportional to 3,944,069.48, 5,915,509.68 and 1,248,044.42 is: 1,871,878.50
Step by Step Solution
- Step 1: Write the proportion equation
3,944,069.48 : 5,915,509.68 = 1,248,044.42 : x - Step 2: Convert to fraction form
3,944,069.48/5,915,509.68 = 1,248,044.42/x - Step 3: Cross multiply
3,944,069.48x = 5,915,509.68 × 1,248,044.42 - Step 4: Simplify right side
3,944,069.48x = 7,382,818,847,579.99 - Step 5: Solve for x
x = 7,382,818,847,579.99/3,944,069.48 - Step 6: Final answer
x = 1,871,878.50
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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.