Finding the Fourth Proportional to 1,680,518.48, 2,519,485.68 and 870,034.06
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Solution
The fourth proportional to 1,680,518.48, 2,519,485.68 and 870,034.06 is: 1,304,382.18
Step by Step Solution
- Step 1: Write the proportion equation
1,680,518.48 : 2,519,485.68 = 870,034.06 : x - Step 2: Convert to fraction form
1,680,518.48/2,519,485.68 = 870,034.06/x - Step 3: Cross multiply
1,680,518.48x = 2,519,485.68 × 870,034.06 - Step 4: Simplify right side
1,680,518.48x = 2,192,038,355,282.26 - Step 5: Solve for x
x = 2,192,038,355,282.26/1,680,518.48 - Step 6: Final answer
x = 1,304,382.18
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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.