Finding the Fourth Proportional to 2,119,416, 3,178,346.40 and 699,051.84
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Solution
The fourth proportional to 2,119,416, 3,178,346.40 and 699,051.84 is: 1,048,321.28
Step by Step Solution
- Step 1: Write the proportion equation
2,119,416 : 3,178,346.40 = 699,051.84 : x - Step 2: Convert to fraction form
2,119,416/3,178,346.40 = 699,051.84/x - Step 3: Cross multiply
2,119,416x = 3,178,346.40 × 699,051.84 - Step 4: Simplify right side
2,119,416x = 2,221,828,899,077.38 - Step 5: Solve for x
x = 2,221,828,899,077.38/2,119,416 - Step 6: Final answer
x = 1,048,321.28
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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.