Finding the Fourth Proportional to 1,318,707.05, 1,966,210.70 and 1,206,106.52
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Solution
The fourth proportional to 1,318,707.05, 1,966,210.70 and 1,206,106.52 is: 1,798,321.73
Step by Step Solution
- Step 1: Write the proportion equation
1,318,707.05 : 1,966,210.70 = 1,206,106.52 : x - Step 2: Convert to fraction form
1,318,707.05/1,966,210.70 = 1,206,106.52/x - Step 3: Cross multiply
1,318,707.05x = 1,966,210.70 × 1,206,106.52 - Step 4: Simplify right side
1,318,707.05x = 2,371,459,529,102.18 - Step 5: Solve for x
x = 2,371,459,529,102.18/1,318,707.05 - Step 6: Final answer
x = 1,798,321.73
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.