Finding the Fourth Proportional to 3,148,402.40, 4,722,603.60 and 1,153,599.20
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Solution
The fourth proportional to 3,148,402.40, 4,722,603.60 and 1,153,599.20 is: 1,730,398.80
Step by Step Solution
- Step 1: Write the proportion equation
3,148,402.40 : 4,722,603.60 = 1,153,599.20 : x - Step 2: Convert to fraction form
3,148,402.40/4,722,603.60 = 1,153,599.20/x - Step 3: Cross multiply
3,148,402.40x = 4,722,603.60 × 1,153,599.20 - Step 4: Simplify right side
3,148,402.40x = 5,447,991,734,877.12 - Step 5: Solve for x
x = 5,447,991,734,877.12/3,148,402.40 - Step 6: Final answer
x = 1,730,398.80
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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.