Finding the Fourth Proportional to 4,868,420.96, 6,717,903.92 and 2,692,618.40
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Solution
The fourth proportional to 4,868,420.96, 6,717,903.92 and 2,692,618.40 is: 3,715,527.45
Step by Step Solution
- Step 1: Write the proportion equation
4,868,420.96 : 6,717,903.92 = 2,692,618.40 : x - Step 2: Convert to fraction form
4,868,420.96/6,717,903.92 = 2,692,618.40/x - Step 3: Cross multiply
4,868,420.96x = 6,717,903.92 × 2,692,618.40 - Step 4: Simplify right side
4,868,420.96x = 18,088,751,704,424.13 - Step 5: Solve for x
x = 18,088,751,704,424.13/4,868,420.96 - Step 6: Final answer
x = 3,715,527.45
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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.