Finding the Fourth Proportional to 2,056,326.12, 2,837,725.38 and 1,138,602.60
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Solution
The fourth proportional to 2,056,326.12, 2,837,725.38 and 1,138,602.60 is: 1,571,269.00
Step by Step Solution
- Step 1: Write the proportion equation
2,056,326.12 : 2,837,725.38 = 1,138,602.60 : x - Step 2: Convert to fraction form
2,056,326.12/2,837,725.38 = 1,138,602.60/x - Step 3: Cross multiply
2,056,326.12x = 2,837,725.38 × 1,138,602.60 - Step 4: Simplify right side
2,056,326.12x = 3,231,041,495,753.99 - Step 5: Solve for x
x = 3,231,041,495,753.99/2,056,326.12 - Step 6: Final answer
x = 1,571,269.00
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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.