Finding the Fourth Proportional to 1,472,688.68, 2,032,322.49 and 828,103.24
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Solution
The fourth proportional to 1,472,688.68, 2,032,322.49 and 828,103.24 is: 1,142,789.28
Step by Step Solution
- Step 1: Write the proportion equation
1,472,688.68 : 2,032,322.49 = 828,103.24 : x - Step 2: Convert to fraction form
1,472,688.68/2,032,322.49 = 828,103.24/x - Step 3: Cross multiply
1,472,688.68x = 2,032,322.49 × 828,103.24 - Step 4: Simplify right side
1,472,688.68x = 1,682,972,833,613.06 - Step 5: Solve for x
x = 1,682,972,833,613.06/1,472,688.68 - Step 6: Final answer
x = 1,142,789.28
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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.