Finding the Fourth Proportional to 1,628,266.18, 2,439,316.47 and 1,086,890.06
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Solution
The fourth proportional to 1,628,266.18, 2,439,316.47 and 1,086,890.06 is: 1,628,277.28
Step by Step Solution
- Step 1: Write the proportion equation
1,628,266.18 : 2,439,316.47 = 1,086,890.06 : x - Step 2: Convert to fraction form
1,628,266.18/2,439,316.47 = 1,086,890.06/x - Step 3: Cross multiply
1,628,266.18x = 2,439,316.47 × 1,086,890.06 - Step 4: Simplify right side
1,628,266.18x = 2,651,268,824,437.29 - Step 5: Solve for x
x = 2,651,268,824,437.29/1,628,266.18 - Step 6: Final answer
x = 1,628,277.28
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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.