Finding the Fourth Proportional to 5,286,434.74, 7,929,980.43 and 1,500,213.94
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Solution
The fourth proportional to 5,286,434.74, 7,929,980.43 and 1,500,213.94 is: 2,250,414.08
Step by Step Solution
- Step 1: Write the proportion equation
5,286,434.74 : 7,929,980.43 = 1,500,213.94 : x - Step 2: Convert to fraction form
5,286,434.74/7,929,980.43 = 1,500,213.94/x - Step 3: Cross multiply
5,286,434.74x = 7,929,980.43 × 1,500,213.94 - Step 4: Simplify right side
5,286,434.74x = 11,896,667,185,013.19 - Step 5: Solve for x
x = 11,896,667,185,013.19/5,286,434.74 - Step 6: Final answer
x = 2,250,414.08
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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.