Finding the Fourth Proportional to 2,335,465.14, 3,221,718.10 and 2,028,853.20
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Solution
The fourth proportional to 2,335,465.14, 3,221,718.10 and 2,028,853.20 is: 2,798,754.30
Step by Step Solution
- Step 1: Write the proportion equation
2,335,465.14 : 3,221,718.10 = 2,028,853.20 : x - Step 2: Convert to fraction form
2,335,465.14/3,221,718.10 = 2,028,853.20/x - Step 3: Cross multiply
2,335,465.14x = 3,221,718.10 × 2,028,853.20 - Step 4: Simplify right side
2,335,465.14x = 6,536,393,083,692.23 - Step 5: Solve for x
x = 6,536,393,083,692.23/2,335,465.14 - Step 6: Final answer
x = 2,798,754.30
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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.