Finding the Fourth Proportional to 1,917,762.21, 2,646,575.36 and 1,046,644.47
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Solution
The fourth proportional to 1,917,762.21, 2,646,575.36 and 1,046,644.47 is: 1,444,404.03
Step by Step Solution
- Step 1: Write the proportion equation
1,917,762.21 : 2,646,575.36 = 1,046,644.47 : x - Step 2: Convert to fraction form
1,917,762.21/2,646,575.36 = 1,046,644.47/x - Step 3: Cross multiply
1,917,762.21x = 2,646,575.36 × 1,046,644.47 - Step 4: Simplify right side
1,917,762.21x = 2,770,023,464,982.26 - Step 5: Solve for x
x = 2,770,023,464,982.26/1,917,762.21 - Step 6: Final answer
x = 1,444,404.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.