Finding the Fourth Proportional to 3,248,718.84, 4,483,267.45 and 1,798,438.48
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Solution
The fourth proportional to 3,248,718.84, 4,483,267.45 and 1,798,438.48 is: 2,481,864.72
Step by Step Solution
- Step 1: Write the proportion equation
3,248,718.84 : 4,483,267.45 = 1,798,438.48 : x - Step 2: Convert to fraction form
3,248,718.84/4,483,267.45 = 1,798,438.48/x - Step 3: Cross multiply
3,248,718.84x = 4,483,267.45 × 1,798,438.48 - Step 4: Simplify right side
3,248,718.84x = 8,062,880,682,507.21 - Step 5: Solve for x
x = 8,062,880,682,507.21/3,248,718.84 - Step 6: Final answer
x = 2,481,864.72
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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.