Finding the Fourth Proportional to 2,831,281.29, 3,908,021.99 and 1,926,388.17
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Solution
The fourth proportional to 2,831,281.29, 3,908,021.99 and 1,926,388.17 is: 2,658,996.60
Step by Step Solution
- Step 1: Write the proportion equation
2,831,281.29 : 3,908,021.99 = 1,926,388.17 : x - Step 2: Convert to fraction form
2,831,281.29/3,908,021.99 = 1,926,388.17/x - Step 3: Cross multiply
2,831,281.29x = 3,908,021.99 × 1,926,388.17 - Step 4: Simplify right side
2,831,281.29x = 7,528,367,320,003.92 - Step 5: Solve for x
x = 7,528,367,320,003.92/2,831,281.29 - Step 6: Final answer
x = 2,658,996.60
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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.