Finding the Fourth Proportional to 1,427,652.30, 1,970,215.30 and 783,099.66
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Solution
The fourth proportional to 1,427,652.30, 1,970,215.30 and 783,099.66 is: 1,080,707.77
Step by Step Solution
- Step 1: Write the proportion equation
1,427,652.30 : 1,970,215.30 = 783,099.66 : x - Step 2: Convert to fraction form
1,427,652.30/1,970,215.30 = 783,099.66/x - Step 3: Cross multiply
1,427,652.30x = 1,970,215.30 × 783,099.66 - Step 4: Simplify right side
1,427,652.30x = 1,542,874,931,556.80 - Step 5: Solve for x
x = 1,542,874,931,556.80/1,427,652.30 - Step 6: Final answer
x = 1,080,707.77
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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.