Finding the Fourth Proportional to 3,587,258.85, 4,950,491.49 and 2,017,420.68
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Solution
The fourth proportional to 3,587,258.85, 4,950,491.49 and 2,017,420.68 is: 2,784,082.31
Step by Step Solution
- Step 1: Write the proportion equation
3,587,258.85 : 4,950,491.49 = 2,017,420.68 : x - Step 2: Convert to fraction form
3,587,258.85/4,950,491.49 = 2,017,420.68/x - Step 3: Cross multiply
3,587,258.85x = 4,950,491.49 × 2,017,420.68 - Step 4: Simplify right side
3,587,258.85x = 9,987,223,908,090.01 - Step 5: Solve for x
x = 9,987,223,908,090.01/3,587,258.85 - Step 6: Final answer
x = 2,784,082.31
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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.