Finding the Fourth Proportional to 2,630,373.75, 3,629,915.78 and 1,423,149.75
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Solution
The fourth proportional to 2,630,373.75, 3,629,915.78 and 1,423,149.75 is: 1,963,946.66
Step by Step Solution
- Step 1: Write the proportion equation
2,630,373.75 : 3,629,915.78 = 1,423,149.75 : x - Step 2: Convert to fraction form
2,630,373.75/3,629,915.78 = 1,423,149.75/x - Step 3: Cross multiply
2,630,373.75x = 3,629,915.78 × 1,423,149.75 - Step 4: Simplify right side
2,630,373.75x = 5,165,913,727,712.31 - Step 5: Solve for x
x = 5,165,913,727,712.31/2,630,373.75 - Step 6: Final answer
x = 1,963,946.66
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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.