Finding the Fourth Proportional to 2,735,354.47, 4,099,364.01 and 2,128,875.07
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Solution
The fourth proportional to 2,735,354.47, 4,099,364.01 and 2,128,875.07 is: 3,190,458.11
Step by Step Solution
- Step 1: Write the proportion equation
2,735,354.47 : 4,099,364.01 = 2,128,875.07 : x - Step 2: Convert to fraction form
2,735,354.47/4,099,364.01 = 2,128,875.07/x - Step 3: Cross multiply
2,735,354.47x = 4,099,364.01 × 2,128,875.07 - Step 4: Simplify right side
2,735,354.47x = 8,727,033,843,744.23 - Step 5: Solve for x
x = 8,727,033,843,744.23/2,735,354.47 - Step 6: Final answer
x = 3,190,458.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.