Finding the Fourth Proportional to 5,817,643.20, 8,028,678.24 and 3,495,245.76
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Solution
The fourth proportional to 5,817,643.20, 8,028,678.24 and 3,495,245.76 is: 4,823,637.79
Step by Step Solution
- Step 1: Write the proportion equation
5,817,643.20 : 8,028,678.24 = 3,495,245.76 : x - Step 2: Convert to fraction form
5,817,643.20/8,028,678.24 = 3,495,245.76/x - Step 3: Cross multiply
5,817,643.20x = 8,028,678.24 × 3,495,245.76 - Step 4: Simplify right side
5,817,643.20x = 28,062,203,576,764.26 - Step 5: Solve for x
x = 28,062,203,576,764.26/5,817,643.20 - Step 6: Final answer
x = 4,823,637.79
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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.