Finding the Fourth Proportional to 2,808,956.18, 3,875,256.60 and 1,631,354.56
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Solution
The fourth proportional to 2,808,956.18, 3,875,256.60 and 1,631,354.56 is: 2,250,628.75
Step by Step Solution
- Step 1: Write the proportion equation
2,808,956.18 : 3,875,256.60 = 1,631,354.56 : x - Step 2: Convert to fraction form
2,808,956.18/3,875,256.60 = 1,631,354.56/x - Step 3: Cross multiply
2,808,956.18x = 3,875,256.60 × 1,631,354.56 - Step 4: Simplify right side
2,808,956.18x = 6,321,917,525,580.10 - Step 5: Solve for x
x = 6,321,917,525,580.10/2,808,956.18 - Step 6: Final answer
x = 2,250,628.75
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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.