Finding the Fourth Proportional to 3,578,628.34, 5,368,440.97 and 1,149,854.68
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Solution
The fourth proportional to 3,578,628.34, 5,368,440.97 and 1,149,854.68 is: 1,724,942.18
Step by Step Solution
- Step 1: Write the proportion equation
3,578,628.34 : 5,368,440.97 = 1,149,854.68 : x - Step 2: Convert to fraction form
3,578,628.34/5,368,440.97 = 1,149,854.68/x - Step 3: Cross multiply
3,578,628.34x = 5,368,440.97 × 1,149,854.68 - Step 4: Simplify right side
3,578,628.34x = 6,172,926,943,941.40 - Step 5: Solve for x
x = 6,172,926,943,941.40/3,578,628.34 - Step 6: Final answer
x = 1,724,942.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.