Finding the Fourth Proportional to 1,603,878.48, 2,213,352.23 and 878,753.70
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Solution
The fourth proportional to 1,603,878.48, 2,213,352.23 and 878,753.70 is: 1,212,680.07
Step by Step Solution
- Step 1: Write the proportion equation
1,603,878.48 : 2,213,352.23 = 878,753.70 : x - Step 2: Convert to fraction form
1,603,878.48/2,213,352.23 = 878,753.70/x - Step 3: Cross multiply
1,603,878.48x = 2,213,352.23 × 878,753.70 - Step 4: Simplify right side
1,603,878.48x = 1,944,991,461,515.75 - Step 5: Solve for x
x = 1,944,991,461,515.75/1,603,878.48 - Step 6: Final answer
x = 1,212,680.07
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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.