Finding the Fourth Proportional to 3,814,681.28, 5,264,352.96 and 2,095,913.28
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Solution
The fourth proportional to 3,814,681.28, 5,264,352.96 and 2,095,913.28 is: 2,892,411.31
Step by Step Solution
- Step 1: Write the proportion equation
3,814,681.28 : 5,264,352.96 = 2,095,913.28 : x - Step 2: Convert to fraction form
3,814,681.28/5,264,352.96 = 2,095,913.28/x - Step 3: Cross multiply
3,814,681.28x = 5,264,352.96 × 2,095,913.28 - Step 4: Simplify right side
3,814,681.28x = 11,033,627,279,471.31 - Step 5: Solve for x
x = 11,033,627,279,471.31/3,814,681.28 - Step 6: Final answer
x = 2,892,411.31
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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.