Finding the Fourth Proportional to 4,335,630.60, 6,497,225.10 and 3,189,448.20
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Solution
The fourth proportional to 4,335,630.60, 6,497,225.10 and 3,189,448.20 is: 4,779,596.05
Step by Step Solution
- Step 1: Write the proportion equation
4,335,630.60 : 6,497,225.10 = 3,189,448.20 : x - Step 2: Convert to fraction form
4,335,630.60/6,497,225.10 = 3,189,448.20/x - Step 3: Cross multiply
4,335,630.60x = 6,497,225.10 × 3,189,448.20 - Step 4: Simplify right side
4,335,630.60x = 20,722,562,900,189.82 - Step 5: Solve for x
x = 20,722,562,900,189.82/4,335,630.60 - Step 6: Final answer
x = 4,779,596.05
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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.