Finding the Fourth Proportional to 6,135,069.72, 8,466,455.62 and 3,381,864.28
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Solution
The fourth proportional to 6,135,069.72, 8,466,455.62 and 3,381,864.28 is: 4,667,005.45
Step by Step Solution
- Step 1: Write the proportion equation
6,135,069.72 : 8,466,455.62 = 3,381,864.28 : x - Step 2: Convert to fraction form
6,135,069.72/8,466,455.62 = 3,381,864.28/x - Step 3: Cross multiply
6,135,069.72x = 8,466,455.62 × 3,381,864.28 - Step 4: Simplify right side
6,135,069.72x = 28,632,403,839,483.25 - Step 5: Solve for x
x = 28,632,403,839,483.25/6,135,069.72 - Step 6: Final answer
x = 4,667,005.45
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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.