Finding the Fourth Proportional to 3,451,347.84, 5,173,678.08 and 1,319,790.72
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Solution
The fourth proportional to 3,451,347.84, 5,173,678.08 and 1,319,790.72 is: 1,978,407.46
Step by Step Solution
- Step 1: Write the proportion equation
3,451,347.84 : 5,173,678.08 = 1,319,790.72 : x - Step 2: Convert to fraction form
3,451,347.84/5,173,678.08 = 1,319,790.72/x - Step 3: Cross multiply
3,451,347.84x = 5,173,678.08 × 1,319,790.72 - Step 4: Simplify right side
3,451,347.84x = 6,828,172,318,251.42 - Step 5: Solve for x
x = 6,828,172,318,251.42/3,451,347.84 - Step 6: Final answer
x = 1,978,407.46
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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.