Finding the Fourth Proportional to 1,980,936.96, 2,971,531.80 and 561,102.54
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Solution
The fourth proportional to 1,980,936.96, 2,971,531.80 and 561,102.54 is: 841,689.60
Step by Step Solution
- Step 1: Write the proportion equation
1,980,936.96 : 2,971,531.80 = 561,102.54 : x - Step 2: Convert to fraction form
1,980,936.96/2,971,531.80 = 561,102.54/x - Step 3: Cross multiply
1,980,936.96x = 2,971,531.80 × 561,102.54 - Step 4: Simplify right side
1,980,936.96x = 1,667,334,040,670.77 - Step 5: Solve for x
x = 1,667,334,040,670.77/1,980,936.96 - Step 6: Final answer
x = 841,689.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.