Finding the Fourth Proportional to 3,044,913.93, 4,201,784.28 and 1,668,255.75
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Solution
The fourth proportional to 3,044,913.93, 4,201,784.28 and 1,668,255.75 is: 2,302,085.03
Step by Step Solution
- Step 1: Write the proportion equation
3,044,913.93 : 4,201,784.28 = 1,668,255.75 : x - Step 2: Convert to fraction form
3,044,913.93/4,201,784.28 = 1,668,255.75/x - Step 3: Cross multiply
3,044,913.93x = 4,201,784.28 × 1,668,255.75 - Step 4: Simplify right side
3,044,913.93x = 7,009,650,785,369.61 - Step 5: Solve for x
x = 7,009,650,785,369.61/3,044,913.93 - Step 6: Final answer
x = 2,302,085.03
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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.