Finding the Fourth Proportional to 2,218,643.12, 3,325,923.48 and 1,206,285.68
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Solution
The fourth proportional to 2,218,643.12, 3,325,923.48 and 1,206,285.68 is: 1,808,318.71
Step by Step Solution
- Step 1: Write the proportion equation
2,218,643.12 : 3,325,923.48 = 1,206,285.68 : x - Step 2: Convert to fraction form
2,218,643.12/3,325,923.48 = 1,206,285.68/x - Step 3: Cross multiply
2,218,643.12x = 3,325,923.48 × 1,206,285.68 - Step 4: Simplify right side
2,218,643.12x = 4,012,013,866,699.77 - Step 5: Solve for x
x = 4,012,013,866,699.77/2,218,643.12 - Step 6: Final answer
x = 1,808,318.71
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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.