Finding the Fourth Proportional to 1,792,037.16, 2,688,449.04 and 1,317,283.20
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Solution
The fourth proportional to 1,792,037.16, 2,688,449.04 and 1,317,283.20 is: 1,976,213.91
Step by Step Solution
- Step 1: Write the proportion equation
1,792,037.16 : 2,688,449.04 = 1,317,283.20 : x - Step 2: Convert to fraction form
1,792,037.16/2,688,449.04 = 1,317,283.20/x - Step 3: Cross multiply
1,792,037.16x = 2,688,449.04 × 1,317,283.20 - Step 4: Simplify right side
1,792,037.16x = 3,541,448,754,448.13 - Step 5: Solve for x
x = 3,541,448,754,448.13/1,792,037.16 - Step 6: Final answer
x = 1,976,213.91
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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.