Finding the Fourth Proportional to 2,115,334.06, 2,919,230.84 and 1,197,544.47
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Solution
The fourth proportional to 2,115,334.06, 2,919,230.84 and 1,197,544.47 is: 1,652,650.91
Step by Step Solution
- Step 1: Write the proportion equation
2,115,334.06 : 2,919,230.84 = 1,197,544.47 : x - Step 2: Convert to fraction form
2,115,334.06/2,919,230.84 = 1,197,544.47/x - Step 3: Cross multiply
2,115,334.06x = 2,919,230.84 × 1,197,544.47 - Step 4: Simplify right side
2,115,334.06x = 3,495,908,759,037.02 - Step 5: Solve for x
x = 3,495,908,759,037.02/2,115,334.06 - Step 6: Final answer
x = 1,652,650.91
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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.