Finding the Fourth Proportional to 3,753,909.24, 5,180,660.30 and 2,122,332.06
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Solution
The fourth proportional to 3,753,909.24, 5,180,660.30 and 2,122,332.06 is: 2,928,968.38
Step by Step Solution
- Step 1: Write the proportion equation
3,753,909.24 : 5,180,660.30 = 2,122,332.06 : x - Step 2: Convert to fraction form
3,753,909.24/5,180,660.30 = 2,122,332.06/x - Step 3: Cross multiply
3,753,909.24x = 5,180,660.30 × 2,122,332.06 - Step 4: Simplify right side
3,753,909.24x = 10,995,081,442,251.31 - Step 5: Solve for x
x = 10,995,081,442,251.31/3,753,909.24 - Step 6: Final answer
x = 2,928,968.38
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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.