Finding the Fourth Proportional to 1,540,984.60, 2,311,578.38 and 403,774.68
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Solution
The fourth proportional to 1,540,984.60, 2,311,578.38 and 403,774.68 is: 605,688.61
Step by Step Solution
- Step 1: Write the proportion equation
1,540,984.60 : 2,311,578.38 = 403,774.68 : x - Step 2: Convert to fraction form
1,540,984.60/2,311,578.38 = 403,774.68/x - Step 3: Cross multiply
1,540,984.60x = 2,311,578.38 × 403,774.68 - Step 4: Simplify right side
1,540,984.60x = 933,356,820,679.42 - Step 5: Solve for x
x = 933,356,820,679.42/1,540,984.60 - Step 6: Final answer
x = 605,688.61
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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.