Finding the Fourth Proportional to 1,542,295.20, 2,128,393.62 and 844,637.16
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Solution
The fourth proportional to 1,542,295.20, 2,128,393.62 and 844,637.16 is: 1,165,613.65
Step by Step Solution
- Step 1: Write the proportion equation
1,542,295.20 : 2,128,393.62 = 844,637.16 : x - Step 2: Convert to fraction form
1,542,295.20/2,128,393.62 = 844,637.16/x - Step 3: Cross multiply
1,542,295.20x = 2,128,393.62 × 844,637.16 - Step 4: Simplify right side
1,542,295.20x = 1,797,720,342,558.92 - Step 5: Solve for x
x = 1,797,720,342,558.92/1,542,295.20 - Step 6: Final answer
x = 1,165,613.65
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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.