Finding the Fourth Proportional to 1,401,800.63, 2,102,670.72 and 390,895.63
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Solution
The fourth proportional to 1,401,800.63, 2,102,670.72 and 390,895.63 is: 586,335.02
Step by Step Solution
- Step 1: Write the proportion equation
1,401,800.63 : 2,102,670.72 = 390,895.63 : x - Step 2: Convert to fraction form
1,401,800.63/2,102,670.72 = 390,895.63/x - Step 3: Cross multiply
1,401,800.63x = 2,102,670.72 × 390,895.63 - Step 4: Simplify right side
1,401,800.63x = 821,924,790,520.28 - Step 5: Solve for x
x = 821,924,790,520.28/1,401,800.63 - Step 6: Final answer
x = 586,335.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.