Finding the Fourth Proportional to 3,044,900.36, 4,201,765.65 and 1,668,242.18
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Solution
The fourth proportional to 3,044,900.36, 4,201,765.65 and 1,668,242.18 is: 2,302,066.36
Step by Step Solution
- Step 1: Write the proportion equation
3,044,900.36 : 4,201,765.65 = 1,668,242.18 : x - Step 2: Convert to fraction form
3,044,900.36/4,201,765.65 = 1,668,242.18/x - Step 3: Cross multiply
3,044,900.36x = 4,201,765.65 × 1,668,242.18 - Step 4: Simplify right side
3,044,900.36x = 7,009,562,698,309.53 - Step 5: Solve for x
x = 7,009,562,698,309.53/3,044,900.36 - Step 6: Final answer
x = 2,302,066.36
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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.