Finding the Fourth Proportional to 3,160,728.56, 4,361,805.42 and 1,710,423.99
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Solution
The fourth proportional to 3,160,728.56, 4,361,805.42 and 1,710,423.99 is: 2,360,385.11
Step by Step Solution
- Step 1: Write the proportion equation
3,160,728.56 : 4,361,805.42 = 1,710,423.99 : x - Step 2: Convert to fraction form
3,160,728.56/4,361,805.42 = 1,710,423.99/x - Step 3: Cross multiply
3,160,728.56x = 4,361,805.42 × 1,710,423.99 - Step 4: Simplify right side
3,160,728.56x = 7,460,536,630,080.03 - Step 5: Solve for x
x = 7,460,536,630,080.03/3,160,728.56 - Step 6: Final answer
x = 2,360,385.11
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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.