Finding the Fourth Proportional to 4,334,114.70, 6,488,730.45 and 4,209,698.70
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Solution
The fourth proportional to 4,334,114.70, 6,488,730.45 and 4,209,698.70 is: 6,302,463.60
Step by Step Solution
- Step 1: Write the proportion equation
4,334,114.70 : 6,488,730.45 = 4,209,698.70 : x - Step 2: Convert to fraction form
4,334,114.70/6,488,730.45 = 4,209,698.70/x - Step 3: Cross multiply
4,334,114.70x = 6,488,730.45 × 4,209,698.70 - Step 4: Simplify right side
4,334,114.70x = 27,315,600,140,015.42 - Step 5: Solve for x
x = 27,315,600,140,015.42/4,334,114.70 - Step 6: Final answer
x = 6,302,463.60
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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.