Finding the Fourth Proportional to 4,799,789.36, 6,623,709.92 and 2,624,334.02
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Solution
The fourth proportional to 4,799,789.36, 6,623,709.92 and 2,624,334.02 is: 3,621,581.28
Step by Step Solution
- Step 1: Write the proportion equation
4,799,789.36 : 6,623,709.92 = 2,624,334.02 : x - Step 2: Convert to fraction form
4,799,789.36/6,623,709.92 = 2,624,334.02/x - Step 3: Cross multiply
4,799,789.36x = 6,623,709.92 × 2,624,334.02 - Step 4: Simplify right side
4,799,789.36x = 17,382,827,281,667.48 - Step 5: Solve for x
x = 17,382,827,281,667.48/4,799,789.36 - Step 6: Final answer
x = 3,621,581.28
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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.