Finding the Fourth Proportional to 3,869,420.24, 5,804,143.80 and 1,173,768.56
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Solution
The fourth proportional to 3,869,420.24, 5,804,143.80 and 1,173,768.56 is: 1,760,656.92
Step by Step Solution
- Step 1: Write the proportion equation
3,869,420.24 : 5,804,143.80 = 1,173,768.56 : x - Step 2: Convert to fraction form
3,869,420.24/5,804,143.80 = 1,173,768.56/x - Step 3: Cross multiply
3,869,420.24x = 5,804,143.80 × 1,173,768.56 - Step 4: Simplify right side
3,869,420.24x = 6,812,721,510,158.93 - Step 5: Solve for x
x = 6,812,721,510,158.93/3,869,420.24 - Step 6: Final answer
x = 1,760,656.92
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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.