Finding the Fourth Proportional to 1,797,394.22, 2,480,420.92 and 1,022,987.09
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Solution
The fourth proportional to 1,797,394.22, 2,480,420.92 and 1,022,987.09 is: 1,411,731.80
Step by Step Solution
- Step 1: Write the proportion equation
1,797,394.22 : 2,480,420.92 = 1,022,987.09 : x - Step 2: Convert to fraction form
1,797,394.22/2,480,420.92 = 1,022,987.09/x - Step 3: Cross multiply
1,797,394.22x = 2,480,420.92 × 1,022,987.09 - Step 4: Simplify right side
1,797,394.22x = 2,537,438,563,966.35 - Step 5: Solve for x
x = 2,537,438,563,966.35/1,797,394.22 - Step 6: Final answer
x = 1,411,731.80
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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.