Finding the Fourth Proportional to 3,198,946.84, 4,798,420.17 and 1,069,030.90
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Solution
The fourth proportional to 3,198,946.84, 4,798,420.17 and 1,069,030.90 is: 1,603,546.32
Step by Step Solution
- Step 1: Write the proportion equation
3,198,946.84 : 4,798,420.17 = 1,069,030.90 : x - Step 2: Convert to fraction form
3,198,946.84/4,798,420.17 = 1,069,030.90/x - Step 3: Cross multiply
3,198,946.84x = 4,798,420.17 × 1,069,030.90 - Step 4: Simplify right side
3,198,946.84x = 5,129,659,432,913.25 - Step 5: Solve for x
x = 5,129,659,432,913.25/3,198,946.84 - Step 6: Final answer
x = 1,603,546.32
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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.