Finding the Fourth Proportional to 2,115,808.74, 3,174,250.14 and 979,390.08
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Solution
The fourth proportional to 2,115,808.74, 3,174,250.14 and 979,390.08 is: 1,469,333.71
Step by Step Solution
- Step 1: Write the proportion equation
2,115,808.74 : 3,174,250.14 = 979,390.08 : x - Step 2: Convert to fraction form
2,115,808.74/3,174,250.14 = 979,390.08/x - Step 3: Cross multiply
2,115,808.74x = 3,174,250.14 × 979,390.08 - Step 4: Simplify right side
2,115,808.74x = 3,108,829,098,554.61 - Step 5: Solve for x
x = 3,108,829,098,554.61/2,115,808.74 - Step 6: Final answer
x = 1,469,333.71
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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.