Finding the Fourth Proportional to 6,630,157.20, 9,944,251.52 and 1,837,346.80
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Solution
The fourth proportional to 6,630,157.20, 9,944,251.52 and 1,837,346.80 is: 2,755,747.44
Step by Step Solution
- Step 1: Write the proportion equation
6,630,157.20 : 9,944,251.52 = 1,837,346.80 : x - Step 2: Convert to fraction form
6,630,157.20/9,944,251.52 = 1,837,346.80/x - Step 3: Cross multiply
6,630,157.20x = 9,944,251.52 × 1,837,346.80 - Step 4: Simplify right side
6,630,157.20x = 18,271,038,708,667.14 - Step 5: Solve for x
x = 18,271,038,708,667.14/6,630,157.20 - Step 6: Final answer
x = 2,755,747.44
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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.