Finding the Fourth Proportional to 4,989,424.18, 7,484,070.66 and 1,202,876.68
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Solution
The fourth proportional to 4,989,424.18, 7,484,070.66 and 1,202,876.68 is: 1,804,299.20
Step by Step Solution
- Step 1: Write the proportion equation
4,989,424.18 : 7,484,070.66 = 1,202,876.68 : x - Step 2: Convert to fraction form
4,989,424.18/7,484,070.66 = 1,202,876.68/x - Step 3: Cross multiply
4,989,424.18x = 7,484,070.66 × 1,202,876.68 - Step 4: Simplify right side
4,989,424.18x = 9,002,414,068,386.21 - Step 5: Solve for x
x = 9,002,414,068,386.21/4,989,424.18 - Step 6: Final answer
x = 1,804,299.20
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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.