Finding the Fourth Proportional to 1,472,813.42, 2,032,245.39 and 828,195.17
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Solution
The fourth proportional to 1,472,813.42, 2,032,245.39 and 828,195.17 is: 1,142,775.99
Step by Step Solution
- Step 1: Write the proportion equation
1,472,813.42 : 2,032,245.39 = 828,195.17 : x - Step 2: Convert to fraction form
1,472,813.42/2,032,245.39 = 828,195.17/x - Step 3: Cross multiply
1,472,813.42x = 2,032,245.39 × 828,195.17 - Step 4: Simplify right side
1,472,813.42x = 1,683,095,806,091.54 - Step 5: Solve for x
x = 1,683,095,806,091.54/1,472,813.42 - Step 6: Final answer
x = 1,142,775.99
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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.