Finding the Fourth Proportional to 3,357,902.90, 4,634,070.27 and 1,888,273.99
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Solution
The fourth proportional to 3,357,902.90, 4,634,070.27 and 1,888,273.99 is: 2,605,910.48
Step by Step Solution
- Step 1: Write the proportion equation
3,357,902.90 : 4,634,070.27 = 1,888,273.99 : x - Step 2: Convert to fraction form
3,357,902.90/4,634,070.27 = 1,888,273.99/x - Step 3: Cross multiply
3,357,902.90x = 4,634,070.27 × 1,888,273.99 - Step 4: Simplify right side
3,357,902.90x = 8,750,394,358,673.28 - Step 5: Solve for x
x = 8,750,394,358,673.28/3,357,902.90 - Step 6: Final answer
x = 2,605,910.48
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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.