Finding the Fourth Proportional to 5,015,512.69, 6,923,526.15 and 3,386,126.95
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Solution
The fourth proportional to 5,015,512.69, 6,923,526.15 and 3,386,126.95 is: 4,674,285.55
Step by Step Solution
- Step 1: Write the proportion equation
5,015,512.69 : 6,923,526.15 = 3,386,126.95 : x - Step 2: Convert to fraction form
5,015,512.69/6,923,526.15 = 3,386,126.95/x - Step 3: Cross multiply
5,015,512.69x = 6,923,526.15 × 3,386,126.95 - Step 4: Simplify right side
5,015,512.69x = 23,443,938,485,544.75 - Step 5: Solve for x
x = 23,443,938,485,544.75/5,015,512.69 - Step 6: Final answer
x = 4,674,285.55
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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.