Finding the Fourth Proportional to 2,630,389.68, 3,629,937.60 and 1,423,165.68
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Solution
The fourth proportional to 2,630,389.68, 3,629,937.60 and 1,423,165.68 is: 1,963,968.55
Step by Step Solution
- Step 1: Write the proportion equation
2,630,389.68 : 3,629,937.60 = 1,423,165.68 : x - Step 2: Convert to fraction form
2,630,389.68/3,629,937.60 = 1,423,165.68/x - Step 3: Cross multiply
2,630,389.68x = 3,629,937.60 × 1,423,165.68 - Step 4: Simplify right side
2,630,389.68x = 5,166,002,612,861.57 - Step 5: Solve for x
x = 5,166,002,612,861.57/2,630,389.68 - Step 6: Final answer
x = 1,963,968.55
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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.