Finding the Fourth Proportional to 5,023,420.84, 7,535,391.90 and 1,657,890.28
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Solution
The fourth proportional to 5,023,420.84, 7,535,391.90 and 1,657,890.28 is: 2,486,921.44
Step by Step Solution
- Step 1: Write the proportion equation
5,023,420.84 : 7,535,391.90 = 1,657,890.28 : x - Step 2: Convert to fraction form
5,023,420.84/7,535,391.90 = 1,657,890.28/x - Step 3: Cross multiply
5,023,420.84x = 7,535,391.90 × 1,657,890.28 - Step 4: Simplify right side
5,023,420.84x = 12,492,852,987,000.73 - Step 5: Solve for x
x = 12,492,852,987,000.73/5,023,420.84 - Step 6: Final answer
x = 2,486,921.44
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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.