Finding the Fourth Proportional to 3,545,199.01, 5,319,138.74 and 1,387,766.00
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Solution
The fourth proportional to 3,545,199.01, 5,319,138.74 and 1,387,766.00 is: 2,082,173.63
Step by Step Solution
- Step 1: Write the proportion equation
3,545,199.01 : 5,319,138.74 = 1,387,766.00 : x - Step 2: Convert to fraction form
3,545,199.01/5,319,138.74 = 1,387,766.00/x - Step 3: Cross multiply
3,545,199.01x = 5,319,138.74 × 1,387,766.00 - Step 4: Simplify right side
3,545,199.01x = 7,381,719,901,291.63 - Step 5: Solve for x
x = 7,381,719,901,291.63/3,545,199.01 - Step 6: Final answer
x = 2,082,173.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.