Finding the Fourth Proportional to 3,222,397.42, 4,445,649.84 and 1,845,005.02
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Solution
The fourth proportional to 3,222,397.42, 4,445,649.84 and 1,845,005.02 is: 2,545,386.31
Step by Step Solution
- Step 1: Write the proportion equation
3,222,397.42 : 4,445,649.84 = 1,845,005.02 : x - Step 2: Convert to fraction form
3,222,397.42/4,445,649.84 = 1,845,005.02/x - Step 3: Cross multiply
3,222,397.42x = 4,445,649.84 × 1,845,005.02 - Step 4: Simplify right side
3,222,397.42x = 8,202,246,271,962.20 - Step 5: Solve for x
x = 8,202,246,271,962.20/3,222,397.42 - Step 6: Final answer
x = 2,545,386.31
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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.