Finding the Fourth Proportional to 3,434,147.66, 4,738,886.70 and 1,906,134.50
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Solution
The fourth proportional to 3,434,147.66, 4,738,886.70 and 1,906,134.50 is: 2,630,334.02
Step by Step Solution
- Step 1: Write the proportion equation
3,434,147.66 : 4,738,886.70 = 1,906,134.50 : x - Step 2: Convert to fraction form
3,434,147.66/4,738,886.70 = 1,906,134.50/x - Step 3: Cross multiply
3,434,147.66x = 4,738,886.70 × 1,906,134.50 - Step 4: Simplify right side
3,434,147.66x = 9,032,955,430,461.15 - Step 5: Solve for x
x = 9,032,955,430,461.15/3,434,147.66 - Step 6: Final answer
x = 2,630,334.02
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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.