Finding the Fourth Proportional to 2,831,283.17, 3,908,024.57 and 1,926,390.05
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Solution
The fourth proportional to 2,831,283.17, 3,908,024.57 and 1,926,390.05 is: 2,658,999.19
Step by Step Solution
- Step 1: Write the proportion equation
2,831,283.17 : 3,908,024.57 = 1,926,390.05 : x - Step 2: Convert to fraction form
2,831,283.17/3,908,024.57 = 1,926,390.05/x - Step 3: Cross multiply
2,831,283.17x = 3,908,024.57 × 1,926,390.05 - Step 4: Simplify right side
2,831,283.17x = 7,528,379,632,079.38 - Step 5: Solve for x
x = 7,528,379,632,079.38/2,831,283.17 - Step 6: Final answer
x = 2,658,999.19
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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.