Finding the Fourth Proportional to 4,174,030.08, 6,289,476.12 and 3,432,481.56
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Solution
The fourth proportional to 4,174,030.08, 6,289,476.12 and 3,432,481.56 is: 5,172,102.35
Step by Step Solution
- Step 1: Write the proportion equation
4,174,030.08 : 6,289,476.12 = 3,432,481.56 : x - Step 2: Convert to fraction form
4,174,030.08/6,289,476.12 = 3,432,481.56/x - Step 3: Cross multiply
4,174,030.08x = 6,289,476.12 × 3,432,481.56 - Step 4: Simplify right side
4,174,030.08x = 21,588,510,803,960.35 - Step 5: Solve for x
x = 21,588,510,803,960.35/4,174,030.08 - Step 6: Final answer
x = 5,172,102.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.