Finding the Fourth Proportional to 3,151,193.84, 4,344,262.80 and 2,663,186.66
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Solution
The fourth proportional to 3,151,193.84, 4,344,262.80 and 2,663,186.66 is: 3,671,491.92
Step by Step Solution
- Step 1: Write the proportion equation
3,151,193.84 : 4,344,262.80 = 2,663,186.66 : x - Step 2: Convert to fraction form
3,151,193.84/4,344,262.80 = 2,663,186.66/x - Step 3: Cross multiply
3,151,193.84x = 4,344,262.80 × 2,663,186.66 - Step 4: Simplify right side
3,151,193.84x = 11,569,582,736,494.25 - Step 5: Solve for x
x = 11,569,582,736,494.25/3,151,193.84 - Step 6: Final answer
x = 3,671,491.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.