Finding the Fourth Proportional to 3,262,278.95, 4,500,129.25 and 3,031,351.19
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Solution
The fourth proportional to 3,262,278.95, 4,500,129.25 and 3,031,351.19 is: 4,181,577.47
Step by Step Solution
- Step 1: Write the proportion equation
3,262,278.95 : 4,500,129.25 = 3,031,351.19 : x - Step 2: Convert to fraction form
3,262,278.95/4,500,129.25 = 3,031,351.19/x - Step 3: Cross multiply
3,262,278.95x = 4,500,129.25 × 3,031,351.19 - Step 4: Simplify right side
3,262,278.95x = 13,641,472,157,141.31 - Step 5: Solve for x
x = 13,641,472,157,141.31/3,262,278.95 - Step 6: Final answer
x = 4,181,577.47
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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.