Finding the Fourth Proportional to 2,896,190.76, 3,996,770.76 and 1,607,151.12
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Solution
The fourth proportional to 2,896,190.76, 3,996,770.76 and 1,607,151.12 is: 2,217,883.81
Step by Step Solution
- Step 1: Write the proportion equation
2,896,190.76 : 3,996,770.76 = 1,607,151.12 : x - Step 2: Convert to fraction form
2,896,190.76/3,996,770.76 = 1,607,151.12/x - Step 3: Cross multiply
2,896,190.76x = 3,996,770.76 × 1,607,151.12 - Step 4: Simplify right side
2,896,190.76x = 6,423,414,603,317.25 - Step 5: Solve for x
x = 6,423,414,603,317.25/2,896,190.76 - Step 6: Final answer
x = 2,217,883.81
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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.