Finding the Fourth Proportional to 2,630,969.63, 3,630,738.08 and 1,423,745.63
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Solution
The fourth proportional to 2,630,969.63, 3,630,738.08 and 1,423,745.63 is: 1,964,768.96
Step by Step Solution
- Step 1: Write the proportion equation
2,630,969.63 : 3,630,738.08 = 1,423,745.63 : x - Step 2: Convert to fraction form
2,630,969.63/3,630,738.08 = 1,423,745.63/x - Step 3: Cross multiply
2,630,969.63x = 3,630,738.08 × 1,423,745.63 - Step 4: Simplify right side
2,630,969.63x = 5,169,247,475,074.59 - Step 5: Solve for x
x = 5,169,247,475,074.59/2,630,969.63 - Step 6: Final answer
x = 1,964,768.96
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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.