Finding the Fourth Proportional to 3,587,090.82, 4,950,137.34 and 1,955,472.18
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Solution
The fourth proportional to 3,587,090.82, 4,950,137.34 and 1,955,472.18 is: 2,698,525.45
Step by Step Solution
- Step 1: Write the proportion equation
3,587,090.82 : 4,950,137.34 = 1,955,472.18 : x - Step 2: Convert to fraction form
3,587,090.82/4,950,137.34 = 1,955,472.18/x - Step 3: Cross multiply
3,587,090.82x = 4,950,137.34 × 1,955,472.18 - Step 4: Simplify right side
3,587,090.82x = 9,679,855,855,549.20 - Step 5: Solve for x
x = 9,679,855,855,549.20/3,587,090.82 - Step 6: Final answer
x = 2,698,525.45
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1.5x scale
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.