Finding the Fourth Proportional to 4,652,421.80, 6,967,434.94 and 3,151,964.84
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Solution
The fourth proportional to 4,652,421.80, 6,967,434.94 and 3,151,964.84 is: 4,720,360.90
Step by Step Solution
- Step 1: Write the proportion equation
4,652,421.80 : 6,967,434.94 = 3,151,964.84 : x - Step 2: Convert to fraction form
4,652,421.80/6,967,434.94 = 3,151,964.84/x - Step 3: Cross multiply
4,652,421.80x = 6,967,434.94 × 3,151,964.84 - Step 4: Simplify right side
4,652,421.80x = 21,961,109,955,867.51 - Step 5: Solve for x
x = 21,961,109,955,867.51/4,652,421.80 - Step 6: Final answer
x = 4,720,360.90
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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.