Finding the Fourth Proportional to 1,920,150.36, 2,880,215.12 and 782,908.14
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Solution
The fourth proportional to 1,920,150.36, 2,880,215.12 and 782,908.14 is: 1,174,357.96
Step by Step Solution
- Step 1: Write the proportion equation
1,920,150.36 : 2,880,215.12 = 782,908.14 : x - Step 2: Convert to fraction form
1,920,150.36/2,880,215.12 = 782,908.14/x - Step 3: Cross multiply
1,920,150.36x = 2,880,215.12 × 782,908.14 - Step 4: Simplify right side
1,920,150.36x = 2,254,943,862,399.08 - Step 5: Solve for x
x = 2,254,943,862,399.08/1,920,150.36 - Step 6: Final answer
x = 1,174,357.96
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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.