Finding the Fourth Proportional to 5,423,393.88, 8,137,744.50 and 2,184,796.92
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Solution
The fourth proportional to 5,423,393.88, 8,137,744.50 and 2,184,796.92 is: 3,278,264.41
Step by Step Solution
- Step 1: Write the proportion equation
5,423,393.88 : 8,137,744.50 = 2,184,796.92 : x - Step 2: Convert to fraction form
5,423,393.88/8,137,744.50 = 2,184,796.92/x - Step 3: Cross multiply
5,423,393.88x = 8,137,744.50 × 2,184,796.92 - Step 4: Simplify right side
5,423,393.88x = 17,779,319,119,346.94 - Step 5: Solve for x
x = 17,779,319,119,346.94/5,423,393.88 - Step 6: Final answer
x = 3,278,264.41
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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.