Finding the Fourth Proportional to 1,472,979.09, 2,032,473.54 and 828,360.84
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Solution
The fourth proportional to 1,472,979.09, 2,032,473.54 and 828,360.84 is: 1,143,004.34
Step by Step Solution
- Step 1: Write the proportion equation
1,472,979.09 : 2,032,473.54 = 828,360.84 : x - Step 2: Convert to fraction form
1,472,979.09/2,032,473.54 = 828,360.84/x - Step 3: Cross multiply
1,472,979.09x = 2,032,473.54 × 828,360.84 - Step 4: Simplify right side
1,472,979.09x = 1,683,621,488,872.17 - Step 5: Solve for x
x = 1,683,621,488,872.17/1,472,979.09 - Step 6: Final answer
x = 1,143,004.34
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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.