Finding the Fourth Proportional to 1,556,220.49, 2,147,580 and 867,893.09
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Solution
The fourth proportional to 1,556,220.49, 2,147,580 and 867,893.09 is: 1,197,690.07
Step by Step Solution
- Step 1: Write the proportion equation
1,556,220.49 : 2,147,580 = 867,893.09 : x - Step 2: Convert to fraction form
1,556,220.49/2,147,580 = 867,893.09/x - Step 3: Cross multiply
1,556,220.49x = 2,147,580 × 867,893.09 - Step 4: Simplify right side
1,556,220.49x = 1,863,869,831,484.30 - Step 5: Solve for x
x = 1,863,869,831,484.30/1,556,220.49 - Step 6: Final answer
x = 1,197,690.07
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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.