Finding the Fourth Proportional to 1,362,005.12, 2,041,948.18 and 881,217.08
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Solution
The fourth proportional to 1,362,005.12, 2,041,948.18 and 881,217.08 is: 1,321,140.12
Step by Step Solution
- Step 1: Write the proportion equation
1,362,005.12 : 2,041,948.18 = 881,217.08 : x - Step 2: Convert to fraction form
1,362,005.12/2,041,948.18 = 881,217.08/x - Step 3: Cross multiply
1,362,005.12x = 2,041,948.18 × 881,217.08 - Step 4: Simplify right side
1,362,005.12x = 1,799,399,612,690.91 - Step 5: Solve for x
x = 1,799,399,612,690.91/1,362,005.12 - Step 6: Final answer
x = 1,321,140.12
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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.